List of televised cliffhangers

The following list of cliffhangers gives a brief summary of each televised cliffhanger.

Season 1

 * "An Unearthly Child" - The Doctor dematerialises his ship, with Ian and Barbara still inside. The TARDIS lands in a wasteland, and the shadow of a mysterious figure creeps slowly across the ground nearby.
 * "The Cave of Skulls" - The Doctor, Ian, Barbara and Susan are thrown into the cave of skulls, and Ian and the Doctor notice that the skulls have been split wide open.
 * "The Forest of Fear" - Ian sees the TARDIS but Kal and his warriors appear and block the way to it.
 * "The Firemaker" - The TARDIS detects readings of dangerous radiation.
 * "The Dead Planet" - Barbara is cornered by a Dalek.
 * "The Survivors" - Susan collects the anti-radiation drugs in the TARDIS and prepares to go back to the city.
 * "The Escape" - The Dalek mutant in the cloak sticks a disfigured claw out of the cloak.
 * "The Ambush" - Ian realizes that he left the vital empty fluid link in the Dalek City.
 * "The Expedition" - Elyon is killed by creature in the Lake of Mutations.
 * "The Ordeal" - Antodus falls down a abyss and Ian, who is holding his rope, is dragged towards the edge.
 * "The Rescue" - The TARDIS console explodes and the TARDIS crew fall to the floor.
 * "The Edge of Destruction" - As the Doctor works on the console he is grabbed by the throat.
 * "The Brink of Disaster" - The TARDIS materialises on a cold, snowy area, where Barbara and Susan discover a giant footprint on the ground.
 * "The Roof of the World" - Lord Tegana buys a poison to use on the caravan's water supply.
 * "The Singing Sands" - Tegana is sent to find desperately needed water and finds an oasis but doesn't send any water back.
 * "Five Hundred Eyes" - The Doctor, Susan and Ping-Cho go to a cave where they find that a painting of eyes is moving.
 * "The Wall of Lies" - Ian tries to escape the caravan and finds a dead guard.
 * "Rider from Shang-Tu" - Tegana holds Susan hostage.
 * "Mighty Kublai Khan" - Tegana threatens Ping-Cho.
 * "The Sea of Death" - Barbara's travel dial is discovered, covered in blood.
 * "The Velvet Web" - Susan is frightened by the Screaming Jungle.
 * "The Screaming Jungle" - Ian and Barbara land on a snowy mountain.
 * "The Snows of Terror" - Ian is knocked out while investigating a body.
 * "Sentence of Death" - Susan is kidnapped and the Doctor is threatened to stop investigating the murders.
 * "The Temple of Evil" - Tlotoxl declares Barbara, posing as the Aztec god, Yetaxa, a false god and he states that he will destroy her.
 * "The Warriors of Death" - Barbara demands Ixta to halt from killing Ian. Tlotoxl argues that if she truly is Yetaxa, then she should save Ian herself.
 * "The Bride of Sacrifice" - Ixta seals Ian inside a tunnel leading to the TARDIS, where water starts flooding in.
 * "The Day of Darkness" - The TARDIS' instruments claim the ship has stopped and is still moving.
 * "Strangers in Space" - Ian directs the Doctor's attention to the window, where a Sensorite is floating.
 * "The Unwilling Warriors" - Susan leaves with the Sensorites, saying that she has agreed to live with them on the Sense Sphere so they will not kill the humans.
 * "Hidden Danger" - Ian, suffering from an incurable disease, collapses.
 * "A Race Against Death" - It appears the monster in the aqueduct has found the Doctor.
 * "Kidnap" - Carol heads to look for Ian and the Doctor, but when she crosses the courtyard, a hand clamps over her mouth.
 * "A Desperate Venture" - The Doctor is angered by Ian's comment that Maitland knows where he's going and they don't and says he will take him home.
 * "A Land of Fear" - Susan, Ian, and Barbara are captured; the Doctor is trapped in a burning house.
 * "Guests of Madame Guillotine" - Susan and Barbara are led to execution.
 * "A Change of Identity" - The Doctor's false identity has been discovered.
 * "The Tyrant of France" - Ian is sent to meet Léon Colbert, but when he arrives at the church, he is betrayed by Léon to the soldiers.
 * "A Bargain of Necessity" - Waiting for the Doctor and Susan, Barbara, Ian and Jules hear the door open. It is not the Doctor and Susan, but is the Doctor and Lemaitre, and Jules declares the Doctor has betrayed them.

Season 2

 * "Planet of Giants" - The Doctor, Ian, Barbara and Susan are attacked by a cat.
 * "Dangerous Journey" - The Doctor and Susan nearly drown in a drainpipe.
 * "Crisis" - The Doctor turns on the TARDIS scanner, which shows nothing but static.
 * "World's End" - The Doctor and Ian, surrounded by Robomen, are shocked to see a Dalek rising out of the Thames.
 * "The Daleks" - The resistance attacks the Dalek saucer. Despite the orders for all Robomen and Daleks to fight the rebels, the commander tells a Roboman to begin the operation on the Doctor.
 * "Day of Reckoning" - A firebomb, placed near the Doctor, Susan and David, steadily ticks down to detonation.
 * "The End of Tomorrow" - The Slyther attacks Ian and Larry.
 * "The Waking Ally" - The penetrative capsule in which Ian is hiding is dropped down a mine shaft.
 * "The Powerful Enemy" - Ian is sealed off from the Doctor by four long spikes and his only exit is blocked by an advancing monster.
 * "Desperate Measures" - The TARDIS falls off a cliff.
 * "The Slave Traders" - Ascaris prepares to assassinate the Doctor.
 * "All Roads Lead to Rome" - Ian and Delos are discover they will be forced to fight lions.
 * "Conspiracy" - In a gladiatorial fight, Delos disarms Ian and raises his sword to chop off Ian's head.
 * "Inferno" - The Doctor tells Ian they are being pulled down to a planet by a unknown force.
 * "The Web Planet" - The Doctor finds the TARDIS is missing.
 * "The Zarbi" - The Doctor confronts Animus.
 * "Escape to Danger" - Ian and Vrestin fall into a tunnel.
 * "Crater of Needles" - Barbara is attacked by the Zarbi.
 * "Invasion" - The Animus traps the Doctor and Vicki in a web.
 * "The Lion" - Richard The Lionheart refuses to help Barbara.
 * "The Knight of Jaffa" - Fleeing from the guards, a hand clamps over Barbara's mouth.
 * "The Wheel of Fortune" - El Akir claims that the only pleasure for Barbara now is death, which will not come soon.
 * "The Warlords" - The TARDIS loses power and the crew freeze in place.
 * "The Space Museum" - The Doctor and his companions realise they have arrived at the Space Museum.
 * "The Dimensions of Time" - The Moroks prepare to turn the Doctor into an exhibit.
 * "The Search" - Ian discovers the Doctor near death.
 * "The Final Phase" - A Dalek infrorms another Dalek that the TARDIS has left the planet Xeros; the other says that their time machine will soon be in pursuit and they will soon be exterminated.
 * "The Executioners" - The Doctor and Barbara watch a Dalek rise from the Aridian desert.
 * "The Death of Time" - The Supreme Dalek vows to seek revenge on the Doctor.
 * "Flight Through Eternity" - The Doctor states that every time they land, the Daleks get closer to exterminating them.
 * "Journey into Terror" - The Daleks create an android double of the Doctor with orders to "infiltrate and kill".
 * "The Death of Doctor Who" - Trapped by the Daleks, a Mechanoid appears and demands the TARDIS crew come with it.
 * "The Watcher" - The Monk imprisons the Doctor.
 * "The Meddling Monk" - Steven and Vicki discover that the Doctor has disappeared.
 * "A Battle of Wits" - Steven and Vicki discover that the Monk has a TARDIS.

Season 3

 * "Four Hundred Dawns" - The Doctor discovers that the planet he is on will explode in two days.
 * "Trap of Steel" - In the Rill spaceship, the Doctor and Vicki witness a creature appear, causing Vicki to scream.
 * "Air Lock" - Trapped in the Drahvin ship's air lock, Steven collapses as the air is sucked from the air lock.
 * "The Exploding Planet" - An astronaut awakes in a dense jungle, remembering that he "must kill...".
 * Mission to the Unknown - Marc Cory is exterminated by the Daleks and they form an alliance to conquer the Sol system.
 * "Temple of Secrets" - Odysseus tells the Doctor that his "temple" has gone.
 * "Small Prophet, Quick Return" - Cassandra orders her guards to execute Vicki and Steven.
 * "Death of a Spy" - All the citizens of Troy watch Paris bring the Trojan Horse into their city.
 * "The Nightmare Begins" - The Doctor returning to the TARDIS, ducks behind a bush and watches the Daleks attempting to board the TARDIS.
 * "Day of Armageddon" - Bret Vyon tries to leave in the Spar and abandon the Doctor, despite Steven and Katarina's protests.
 * "Devil's Planet" - Katarina finds Kirksen.
 * "The Traitors" - Sara Kingdom orders Borkar to find the Doctor and Steven, and to shoot to kill.
 * "Counter Plot" - The Doctor tells Sara and Steven "the Daleks have won".
 * "Coronas of the Sun" - The TARDIS arrives on another planet, but he says the air outside is poisonous.
 * "The Feast of Steven" - The Doctor, Steven and Sara have a toast to Christmas and the Doctor wishes a "merry Christmas to everyone at home".
 * "Volcano" - The Daleks chant that the destruction of the universe is within their grasp.
 * "Golden Death" - Sara and Steven begin to search for the Doctor. As they search, a sarcophagus begins to open and a bandaged hand emerges.
 * "Escape Switch" - The TARDIS console flashes and the directional unit burns out.
 * "The Abandoned Planet" - Sara and Steven are discussing what to do next when they are surprised to see the figure of Mavic Chen standing behind them, holding them at gunpoint. Chen then forces them to go into the Daleks bunker.
 * "War of God" - The Abbot of Amboise is revealed to be the Doctor's exact double.
 * "The Sea Beggar" - Admiral de Coligny tells Nicholas that the King gave him a new nickname — the Sea Beggar. However, Steven has discovered that the "Sea Beggar" is to be assassinated.
 * "Priest of Death" - Steven, framed for the murdeer of the Abbot, is chased by a angry mob.
 * "The Steel Sky" - The Doctor, Steven, and Dodo are placed on trial for unleashing a virus.
 * "The Plague" - The Doctor, Steven, and Dodo return to the Ark 700 years later and discover the statue is completed - only it now has the head of a Monoid.
 * "The Return" - A Refusian destroy the launcher, killing Two. The Doctor and Dodo find the wreckage and the Doctor says they will have to wait to get off Refusis until the next launcher lands. Dodo asks him what if they just decide to find another planet, to which the Doctor responses that they will just have to stay on Refusis.
 * "The Bomb" - The Doctor mysteriously vanishes from the Console Room.
 * "The Celestial Toyroom" - Steven and Dodo move on to the Hall of Dolls.
 * "The Hall of Dolls" - Three dolls pursue Steven and Dodo.
 * "The Dancing Floor" - Steven and Dodo prepare to play their final game, against Cyril.
 * "The Final Test" - The Doctor bites into a sweet, and cries out in pain.
 * "A Holiday for the Doctor" - The Doctor approaches his planned assassination.
 * "Don't Shoot the Pianist" - The Clantons demand the Doctor turn himself in, or Steven will be hanged.
 * "Johnny Ringo" - Billy Clanton escapes from prison.
 * "The O.K. Corral" - A savage man approaches the TARDIS.
 * The Savages Episode 1 - A savage reaches out towards Dodo, stumbling towards her.
 * The Savages Episode 2 - The Doctor, drained of his life force by Senta, lies lifeless.
 * The Savages Episode 3 - Trapped, the Doctor, Steven and Dodo choke on gas as a figure moves towards them.
 * The War Machines Episode 1 - The hypnotised Dodo is ordered to bring the Doctor to WOTAN.
 * The War Machines Episode 2 - Ben is cornered by a War Machine.
 * The War Machines Episode 3 - The Doctor confronts a War Machine.
 * The War Machines Episode 4 - Ben and Polly enter the TARDIS as it dematerialises.

Season 4

 * The Smugglers Episode 1 - Pike affirms that the Doctor will talk, whatever it takes.
 * The Smugglers Episode 2 - Pike and the Squire corner Ben in the church crypt, and the Squire raises his pistol.
 * The Smugglers Episode 3 - Kewper falls dead, a knife in his back, and Polly screams as a gunshot rings out.
 * The Smugglers Episode 4 - The Doctor informs his companions they have arrived at the coldest place in the world.
 * The Tenth Planet Episode 1 - A group of soldiers sent to investigate the TARDIS are killed by Cybermen.
 * The Tenth Planet Episode 2 - The radar technician in Snowcap detects a Cyber-Fleet heading for Earth.
 * The Tenth Planet Episode 3 - The countdown for the Z-Bomb launch reaches zero.
 * The Tenth Planet Episode 4 - The Doctor regenerates into a new body.

Season 4 (continued)

 * The Power of the Daleks Episode 1 - The Doctor, Ben and Polly have discovered a pair of dormant Daleks. Polly then screams as something moves across the floor.
 * The Power of the Daleks Episode 2 - A Dalek, just revived, announces, "I am your servant!", drowing the Doctors protests that it should be destroyed.
 * The Power of the Daleks Episode 3 - The three Daleks chant that "they will get their power".
 * The Power of the Daleks Episode 4 - Lesterson finds a production line mass-producing Daleks.
 * The Power of the Daleks Episode 5 - The Dalek army leaves to embark on a full scale slaughter, chanting "Daleks conquer and destroy!"
 * The Power of the Daleks Episode 6 - As TARDIS dematerailises, a Dalek eyestalk slowly rises upwards, as though watching the ship depart.
 * The Highlanders Episode 1 - Crossing the darkened moor, Polly falls into a pit and is threatened by someone with a dagger.
 * The Highlanders Episode 2 - Trask throws a body over board, and tells the prisoners that's the only way they'll get off the Annabelle.
 * The Highlanders Episode 3 - Ben is tied up and ducked into the firth, and the stool comes up empty.
 * The Highlanders Episode 4 -
 * The Underwater Menace Episode 1 - Polly is about to be injected to become a fish person
 * The Underwater Menace Episode 2 - Thous betrays Ramo and the Doctor to Zaroff and his guards.
 * The Underwater Menace Episode 3 - Professor Zaroff shoots Thous and his guards, exclaiming "Nothing in the world can stop me now!".
 * The Underwater Menace Episode 4 - En route to Mars, the TARDIS is thrown off course.
 * The Moonbase Episode 1 - A Cyberman appears in the medical bay of the Moonbase.
 * The Moonbase Episode 2 - A Cyberman gets off a bed in the sickbay and advances on the Doctor, Ben, Polly, Jack Hobson, Charlie Wise and Bob Anders.
 * The Moonbase Episode 3 - The Cybermen exit their spaceship and begin to walk across the surface of the Moon towards the Moonbase.
 * The Moonbase Episode 4 - The Doctor turns on the TARDIS's time scanner. Polly gasps as a large claw comes into view on the scanner.
 * The Macra Terror Episode 1 - Medok spots a Macra lurking in the shadows.
 * The Macra Terror Episode 2 - The Controller is pulled off screen by a Macra claw.
 * The Macra Terror Episode 3 - A Macra comes to life and approaches Jamie while he is being bombarded by gas.
 * The Faceless Ones Episode 1 - A Chameleon is revealed.
 * The Faceless Ones Episode 2 - The Chameleon Control Room is filled with gas and locked, with the Doctor still inside.
 * The Faceless Ones Episode 3 - With the touch of a button, an entire airplane crew vanishes.
 * The Faceless Ones Episode 4 - In space, the plane docks with a vast, orbiting satellite.
 * The Faceless Ones Episode 5 - The Doctor and Nurse Pinto are menaced by Chameleons.
 * The Faceless Ones Episode 6 - The TARDIS is carried away by a lorry.
 * The Evil of the Daleks Episode 1 - Breaking into Edward Waterfield's study, Kennedy tries to open a safe. A Dalek appears, demanding go know who Kennedy is.
 * The Evil of the Daleks Episode 2 - The Dalek leader demands that there will be no delay.
 * The Evil of the Daleks Episode 3 - Kemel confronts Jamie.
 * The Evil of the Daleks Episode 4 - Jamie falls for the Daleks' trap.
 * The Evil of the Daleks Episode 5 - The Daleks play a game with the Doctor.
 * The Evil of the Daleks Episode 6 - The Dalek Emperor tells the Doctor that he will spread the Dalek factor throughout Earth's history.

Season 5

 * The Tomb of the Cybermen Episode 1 - Haydon is shot in the back by a Cyberman.
 * The Tomb of the Cybermen Episode 2 - The Cyber-Controller crushes Klieg's arm, telling the others that "You belong to us. You shall be like us."
 * The Tomb of the Cybermen Episode 3 - Klieg fires a Cyber-gun at the Doctor.
 * The Abominable Snowmen Episode 1 - A Yeti breaks Jamie's sword and advances on him and Victoria.
 * The Abominable Snowmen Episode 2 - The control sphere of a Yeti comes to life.
 * The Abominable Snowmen Episode 3 - A Yeti menaces Victoria.
 * The Abominable Snowmen Episode 4 - Victoria encounters Padmasambhava.
 *  The Abominable Snowmen Episode 5 - The Great Intelligence grows in strength.
 * The Ice Warriors Episode 1 - Jamie and Victoria flirt as Varga, the Ice Warrior, begins to move.
 * The Ice Warriors Episode 2 - Varga begins to revive four other frozen Ice Warriors.
 * The Ice Warriors Episode 3 - Varga and Zondal prepare to shoot Victoria.
 * The Ice Warriors Episode 4 - Varga begins reducing the air pressure in the air lock that the Doctor is in.
 * The Ice Warriors Episode 5 - The Doctor struggles with Zondal for control of the sonic cannon.
 * The Enemy of the World Episode 1 - Bruce encounters "Salamander".
 * The Enemy of the World Episode 2 - Salamander informs Denes that Fedorin will be the chief witness against him.
 * The Enemy of the World Episode 3 - Bruce realises that someone is impersonating Salamander.
 * The Enemy of the World Episode 4 - Bruce arrives to arrest Kent, the Doctor and Astrid.
 * The Enemy of the World Episode 5 - Astrid discovers a heavily injured Swann outside a tunnel entrance.
 * The Enemy of the World Episode 6 - Salamander is sucked out into the time vortex.
 * The Web of Fear Episode 1 - The army detonate a pile of explosives on the tube platform, not realising the Doctor is next to them.
 * The Web of Fear Episode 2 - Jamie and Evans are approached by the web.
 * The Web of Fear Episode 3 - Travers discovers Weam's body and is attacked by the murderer — a Yeti.
 * The Web of Fear Episode 4 - Yeti attack the Goodge Street laboratory, and Travers appears behind them.
 * The Web of Fear Episode 5 - The wall of Goodge Street laboratory caves in, and a mass of fungus spills into the laboratory.
 * Fury from the Deep Episode 1 - Locked in the oxygen room, Victoria sees a tendril coming out of the vent.
 * Fury from the Deep Episode 2 - Van Lutyens says that "it's in the darkness, waiting".
 * Fury from the Deep Episode 3 - A possessed Maggie Harris walks in to the sea until she is completely submerged under the waves.
 * Fury from the Deep Episode 4 - The Doctor says the "Battle of giants" has begun.
 * Fury from the Deep Episode 5 - Robson emerges from the foam.
 * Fury from the Deep Episode 6 - Victoria watches the TARDIS dematerialise,
 * The Wheel in Space Episode 1 - Bennett orders the X-Ray laser to destroy the Silver Carrier rocket with the TARDIS still onboard.
 * The Wheel in Space Episode 2 - The Cybermen come out of their pods.
 * The Wheel in Space Episode 3 - Vallance and Laleham are cornered by two Cybermen and are mind-controlled by the Cybermen, who tell the men to obey them.
 * The Wheel in Space Episode 4 - The Doctor and Jamie are cornered by a Cyberman.
 * The Wheel in Space Episode 5 - Travelling to the Silver Carrier, Jamie and Zoe see the meteors heading towards them.
 * The Wheel in Space Episode 6 - The Doctor begins to tell Zoe a story about the Daleks.

Season 6

 * The Dominators Episode 1 - Two Quarks ask Toba whether they should destroy the Doctor and Jamie.
 * The Dominators Episode 2 - The Quarks fire upon the Dulcian survey unit, with Zoe and Cully still inside.
 * The Dominators Episode 3 - A smiling Toba is informed that the Dulcian museum in which Jamie and Cully were taking cover in has been destroyed.
 * The Dominators Episode 4 - Toba tells his prisoners that they will die one by one unless they reveal where Jamie is. The Quark kills Balan, and the Doctor is next in line.
 * The Dominators Episode 5 - The Doctor reacts in horror as the island he and his companions are situated on erupts, and lava flows towards them.
 * The Mind Robber Episode 1 - The TARDIS breaks apart and the Doctor's companions are left floating in nothingness.
 * The Mind Robber Episode 2 - A unicorn charges at the Doctor and his companions.
 * The Mind Robber Episode 3 - Zoe tries not to look at Medusa.
 * The Mind Robber Episode 4 - Jamie and Zoe are crushed by a giant book.
 * The Invasion Episode 1 - The Cyber-Planner is revealed.
 * The Invasion Episode 2 - The Doctor and Jamie are captured by Packer.
 * The Invasion Episode 3 - Jamie encounters an automated cocoon.
 * The Invasion Episode 4 - A Cyberman emerges from its cocoon.
 * The Invasion Episode 5 - Jamie, Zoe and Isobel are trapped between an insane Cybermen and two other Cybermen.
 * The Invasion Episode 6 - The Cybermen come out of the sewers and storm London.
 * The Invasion Episode 7 - The Cybermen plan to use a Megatron bomb to destroy Earth.
 * The Invasion Epsiode 8 - Captain Turner and Isobel watch the TARDIS dematerialise.
 * The Krotons Episode 1 - The Doctor is attacked by a snake-like creature.
 * The Krotons Episode 2 - The Krotons subject Jamie to a mental probe. One of the Krotons says he is not a "high brain" and the power will kill him.
 * The Krotons Episode 3 - A massive rockfall occurs and some of the rubble falls on the Doctor.
 * The Seeds of Death Episode 1 - Locke is discovered by an Ice Warrior, which kills him.
 * The Seeds of Death Episode 2 - The homing beacon for the rocket carrying the Doctor and his companions is cut off.
 * The Seeds of Death Episode 3 - Slaar T-Mats a seed down to Earth Control in London.
 * The Seeds of Death Episode 4 - An Ice Warrior advances on Zoe as she begs Fewsham for help.
 * The Seeds of Death Episode 5 - A seed pod near the Doctor begins to expand.
 * The Space Pirates Episode 1 - The Doctor, Jamie and Zoe are trapped inside Space Beacon Alpha Four as it explodes.
 * The Space Pirates Episode 2 - Jamie is shot by Milo.
 * The Space Pirates Episode 3 - Chased through tunnels on Ta, the Doctor and his companions fall into a black pit.
 * The Space Pirates Episode 4 - In Madeleine's office, she pulls a gun on Milo. Caven comes in, and when Sorba tries to attack him, guns him down. Caven asks if anyone else wants to die like a hero.
 * The Space Pirates Episode 5 - The Doctor is caught in the blast of the lift off of LIZ 79.
 * The War Games Episode 1 - A World War I firing squad prepare to shoot the Doctor.
 * The War Games Episode 2 - The Doctor and his friends are attacked by a group of Roman soldiers.
 * The War Games Episode 3 - The Doctor and Zoe are trapped inside a SIDRAT.
 * The War Games Episode 4 - Zoe is held at gunpoint by Carstairs.
 * The War Games Episode 5 - Jamie and a group of resistance soldiers are shot down.
 * The War Games Episode 6 - The SIDRAT's dimensions shrink in on the Doctor, Carstairs and Jamie.
 * The War Games Episode 7 - The Doctor is captured by a War Lord squad.
 * The War Games Episode 8 - The Doctor seemingly betrays Jamie, Zoe and the rest of the prisoners to the War Chief and the War Lords.
 * The War Games Episode 9 - The Doctor and his companions escape the base and try to get back to the TARDIS but their movements are slowed down as the Doctor tries to unlock and open the TARDIS doors.
 * The War Games Episode 10 - The Time Lords exile the Doctor to Earth and force him to regenerate.

Season 7

 * Spearhead from Space Episode 1 - An erratic Third Doctor is shot at by a UNIT soldier and collapses.
 * Spearhead from Space Episode 2 - An Auton advances on John Ransome.
 * Spearhead from Space Episode 3 - Scobie is attacked by his Auton duplicate.
 * Doctor Who and the Silurians Episode 1 - The Doctor is attacked by a dinosaur.
 * Doctor Who and the Silurians Episode 2 - Liz is knocked unconscious by a Silurian.
 * Doctor Who and the Silurians Episode 3 - The Doctor discovers John Quinn's body. He looks in his hand and finds a strange device, and activates it, and it makes a bleeping noise. The Doctor looks and see a Silurian in the doorway.
 * Doctor Who and the Silurians Episode 4 - Morka attacks the Doctor with his third eye.
 * Doctor Who and the Silurians Episode 5 - Baker dies in hospital as a result of the Silurian virus, and the Doctor says he will be the first one of millions.
 * Doctor Who and the Silurians Episode 6 - The Silurians raid the centre and take the Doctor.
 * The Ambassadors of Death Episode 1 - Taltalian levels a gun at the Doctor and Liz.
 * The Ambassadors of Death Episode 2 - The Doctor demands the probe be opened.
 * The Ambassadors of Death Episode 3 - Reegan's henchmen chase Liz, and she tumbles over the side of a path through a weir.
 * The Ambassadors of Death Episode 4 - The Doctor is approached by an alien ambassador.
 * The Ambassadors of Death Episode 5 - An alien spaceship on a collision course with Recovery Probe 7 and the Mars Probe rapidly approaches.
 * The Ambassadors of Death Episode 6 - General Carrington pulls a gun on the Doctor.
 * Inferno Episode 1 - The Doctor, the Brigadier, Benton and Wyatt are attacked by Slocum.
 * Inferno Episode 2 - The Doctor and Bessie vanish into thin air.
 * Inferno Episode 3 - The Doctor is threatened at gunpoint by the alternate Benton.
 * Inferno Episode 4 - The Doctor is held at gunpoint by Director Stahlman as the countdown to penetration concludes.
 * Inferno Episode 5 - The Doctor is attacked by a Primord.
 * Inferno Episode 6 - A wall of lava rushes towards the hut where Petra, the Doctor, Greg, Elizabeth and the Brigade Leader are.

Season 8

 * Terror of the Autons Episode 1 - Hypnotised, Jo begins to open a crate containing a bomb.
 * Terror of the Autons Episode 2 - The two policemen the Doctor and Jo meet are revealed to be Autons.
 * Terror of the Autons Episode 3 - The telephone cord near the Doctor comes to life and starts to strangle him.
 * The Mind of Evil Episode 1 - The Keller Machine activates and makes the Doctor believe the room he is in is on fire.
 * The Mind of Evil Episode 2 - Captain Chin Lee takes the form of a dragon and advances on Senator Alcott.
 * The Mind of Evil Episode 3 - The Keller Machine gives the Doctor hallucinations of his old enemies.
 * The Mind of Evil Episode 4 - The machine closes upon Jo and the Doctor.
 * The Mind of Evil Episode 5 - Harry Mailer pulls a gun on the Doctor, and a gun fires.
 * The Claws of Axos Episode 1 - An alien advances on Jo.
 * The Claws of Axos Episode 2 - The Doctor, Jo and Filer are surrounded by Axons.
 * The Claws of Axos Episode 3 - The Master plans to destroy Axos, with the Doctor and Jo still onboard.
 * Colony in Space Episode 1 - An IMC robot advances on the Doctor.
 * Colony in Space Episode 2 - Morgan sends the IMC robot to kill the Doctor, coolly stating that "the monster" is about to claim another victim.
 * Colony in Space Episode 3 - Jo is kidnapped by the Uxariean primitives and taken to their forbidden city.
 * Colony in Space Episode 4 - The Master draws a gun on the Doctor and Jo, announcing they're about to become victims of "stray bullets".
 * Colony in Space Episode 5 - The Master prepares to use his watch to kill the intruders inside his TARDIS.
 * The Dæmons Episode 1 - The Doctor, trapped inside a collapsing tunnel, appears to be frozen.
 * The Dæmons Episode 2 - Bok prepares to attack the Doctor and Jo.
 * The Dæmons Episode 3 - Azal is summoned for the second time.
 * The Dæmons Episode 4 - Azal is summoned for the third and final time.

Season 9

 * Day of the Daleks Episode 1 - The Daleks declare that the guerrillas will be exterminated.
 * Day of the Daleks Episode 2 - A Dalek materialises nearby the Doctor.
 * Day of the Daleks Episode 3 - The Daleks prepare to exterminate the Doctor.
 * The Curse of Peladon Episode 1 - Grun pushes a statue onto the delegates.
 * The Curse of Peladon Episode 2 - King Peladon reluctantly sentences the Doctor to death.
 * The Curse of Peladon Episode 3 - Arcturus and Ssorg draw their weapons and open fire.
 * The Sea Devils Episode 1 - The Doctor and Jo are attacked by an unknown creature.
 * The Sea Devils Episode 2 - The Master throws a dagger at the Doctor's head just as he turns his back.
 * The Sea Devils Episode 3 - A Sea Devil emerges from the sea.
 * The Sea Devils Episode 4 - The diving bell with the Doctor in it comes up empty.
 * The Sea Devils Episode 5 - Preparing to go to negotiate with the Sea Devils, the Doctor's path is blocked by an attacking Sea Devil, who raises its gun.
 * The Sea Devils Episode 6 -
 * The Mutants Episode 1 - Ky takes Jo with him to the transmat, and the Marshal's men fire on them.
 * The Mutants Episode 2 - Varan grabs the Doctor by the neck, crying, "Die, overlord!"
 * The Mutants Episode 3 - The Marshal starts gassing the cave, sealing the Doctor, Jo, Stubbs and Cotton inside.
 * The Mutants Episode 4 - The Marshal blows a hole in the Skybase, launching Varan into the vacuum of space.
 * The Mutants Episode 5 - Thaesium begins flooding into the room Jo, Cotton and Ky are imprisoned in.
 * The Time Monster Episode 1 - The Master overloads TOMTIT, calling for Kronos.
 * The Time Monster Episode 2 - The Master brings Krasis into the Newton Institute.
 * The Time Monster Episode 3 - The Doodlebug strikes Captain Yates' team, intercepting the TARDIS they were carrying.
 * The Time Monster Episode 4 - The Master lets the Doctor's TARDIS drift in the time vortex with Jo inside.
 * The Time Monster Episode 5 - A Minotaur approaches Jo.

Season 10

 * The Three Doctors Episode 1 - The Third Doctor and Jo are transported away by an anti-matter organism.
 * The Three Doctors Episode 2 - The anti-matter organism takes the TARDIS and UNIT HQ to the anti-matter universe.
 * The Three Doctors Episode 3 - Omega gains the upper hand over the Doctor and prepares to kill him.
 * Carnival of Monsters Episode 1 - A giant hand grabs the TARDIS.
 * Carnival of Monsters Episode 2 - The Drashigs pursue the Doctor and Jo.
 * Carnival of Monsters Episode 3 - The Doctor escapes the miniscope and collapses.
 * Frontier in Space Episode 1 - The Doctor and Jo are accused of being stowaways.
 * Frontier in Space Episode 2 - Ogrons, disguised as Draconians, break into the Doctor's cell and order him to leave with them.
 * Frontier in Space Episode 3 - The Doctor and Dale realise that Cross has tricked them.
 * Frontier in Space Episode 4 - The Master signals the Ogrons.
 * Frontier in Space Episode 5 - The Master attempts to hypnotise Jo.
 * Planet of the Daleks Episode 1 - The Doctor and the Thals discover an invisible Dalek.
 * Planet of the Daleks Episode 2 - Rebec informs Taron that there are 10,000 Daleks on Spiridon.
 * Planet of the Daleks Episode 3 - The Doctor and the Thals attempt to escape the Daleks using a hot air balloon.
 * Planet of the Daleks Episode 4 - Vaber is captured by the Spiridons.
 * Planet of the Daleks Episode 5 - A Dalek spots Taron's booted foot.
 * The Green Death Episode 1 - The Doctor struggles to stop the lift Jo is on, as it tumbles down at high speed.
 * The Green Death Episode 2 - Giant maggots emerge from the tunnel wall.
 * The Green Death Episode 3 - A maggot creeps up on Jo.
 * The Green Death Episode 4 - BOSS is revealed.
 * The Green Death Episode 5 - Yates turns to find Stevens standing behind him, gun drawn.

Season 11

 * The Time Warrior Part 1 - Linx removes his helmet, revealing his face.
 * The Time Warrior Part 2 - The Doctor escapes his mind control, but is caught by Irongron, who raises his axe.
 * The Time Warrior Part 3 - The Doctor attempts to negotiate with Linx, but Linx fires upon him.
 * Invasion Part 1 - A dinosaur approaches the jeep the Doctor and Sarah are in.
 * Invasion of the Dinosaurs Part 2 - The Doctor, with his sabotaged stun gun, is approached by a T-Rex.
 * Invasion of the Dinosaurs Part 3 - Sarah finds herself on a strange spaceship, and is told by Mark that she has been on it for three months.
 * Invasion of the Dinosaurs Part 4 -
 * Invasion of the Dinosaurs Part 5 -
 * Death to the Daleks Part 1 - The Daleks emerge from their spaceship and prepare to kill the Doctor and the Marine Space Corps.
 * Death to the Daleks Part 2 - The Doctor encounters a Metallic root in the underground caves of Exxilon.
 * Death to the Daleks Part 3 - The Doctor and Bellal encounter a trap in the Great City of the Exxilons.
 * The Monster of Peladon Part 1 - The "spirit" of Aggedor kills Blor.
 * The Monster of Peladon Part 2 - The Doctor and Sarah are thrown in the pit of Aggedor.
 * The Monster of Peladon Part 3 -
 * The Monster of Peladon Part 4 - The sonic lance explodes, killing Ettis, and supposedly, the Doctor.
 * The Monster of Peladon Part 5 -
 * Planet of the Spiders Part 1 - A spider appears among the meditators.
 * Planet of the Spiders Part 2 - The Doctor looks on in surprise: Lupton has vanished.
 * Planet of the Spiders Part 3 - The Doctor falls to the ground, and lies still.
 * Planet of the Spiders Part 4 - Sarah Jane Smith despairs, as guards follow the Doctor close behind as he enters the "larder".
 * Planet of the Spiders Part 5 - Barnes, Moss, Land and Keaver electrocute Tommy.
 * Planet of the Spiders Part 6 - The Doctor regenerates into his fourth incarnation.

Season 12

 * Robot Part 1 - K1 approaches Sarah.
 * Robot Part 2 - K1 knocks out the Doctor and prepares to kill him.
 * Robot Part 3 - K1 threatens to kill all the UNIT soldiers with its disintegrator gun.
 * The Ark in Space Part 1 - While trying to revive Sarah from suspended animation, a mummified Wirrn falls on Harry.
 * The Ark in Space Part 2 - Libri is killed by Noah, who is transforming into a Wirrn.
 * The Ark in Space Part 3 - The Doctor is approached by Noah, his Wirrn metamorphosis complete.
 * The Sontaran Experiment Part 1 - The alien reveals himself to be a Sontaran.
 * Genesis of the Daleks Part 1 - Sarah witnesses Davros testing his first Dalek.
 * Genesis of the Daleks Part 2 - Sarah falls from the scaffolding she is climbing.
 * Genesis of the Daleks Part 3 - The Doctor is trapped by an electrified fence.
 * Genesis of the Daleks Part 4 - Davros tortures Harry and Sarah to make the Doctor talk.
 * Genesis of the Daleks Part 5 - A Kaled mutant tries to strangle the Doctor.
 * Revenge of the Cybermen Part 1 - Sarah is attacked by a Cybermat.
 * Revenge of the Cybermen Part 2 - The Cybermen board the station and shoot down the crew.
 * Revenge of the Cybermen Part 3 - Harry begins to unbuckle the Doctor's explosive harness.

Season 13

 * Terror of the Zygons Part 1 - A Zygon grabs Sarah from behind.
 * Terror of the Zygons Part 2 - Broton orders the Skarasen to destroy the Doctor.
 * Terror of the Zygons Part 3 - The Zygon ship rises out of Loch Ness and flies away.
 * Planet of Evil Part 1 - A monstrous figure advances on the Doctor and Sarah.
 * Planet of Evil Part 2 - The Doctor is attacked by the creature and falls into the pit.
 * Planet of Evil Part 3 - The Doctor and Sarah are loaded into the ejection trays and the lever is thrown.
 * Pyramids of Mars Part 1 - Marcus Scarman claims all life will be destroyed and begins to burn Ibrahim Namin to death.
 * Pyramids of Mars Part 2 - Mummies ambush Sarah Jane Smith.
 * Pyramids of Mars Part 3 - Sutekh begins to kill the Doctor with his mind.
 * The Android Invasion Part 1 - Sarah is observed by an alien.
 * The Android Invasion Part 2 - Sarah's face falls off to reveal an android duplicate.
 * The Android Invasion Part 3 - The G-force begins to crush the Doctor and Sarah.
 * The Brain of Morbius Part 1 - Sarah, in Solon's castle, discovers a headless body hidden by a curtain.
 * The Brain of Morbius Part 2 - Sarah, now blind, hears a voice and heads towards it. When in the room, a voice declares that she is one of the Sisterhood of Karn.
 * The Brain of Morbius Part 3 - Sarah's eyesight returns as Morbius rises behind her.
 * The Seeds of Doom Part 1 - Winlett, almost completely transformed into a Krynoid, strangles Moberly.
 * The Seeds of Doom Part 2 - The Generator Hut explodes, causing the Antarctic base to explode as well.
 * The Seeds of Doom Part 3 - Harrison Chase prepares to have Sarah transformed into a Krynoid.
 * The Seeds of Doom Part 4 - The Krynoid kills Dunbar and the Doctor and Sarah arrive, and the Krynoid prepares to attack them.
 * The Seeds of Doom Part 5 - Chase locks the Doctor, Sarah, Scorby and Henderson outside his mansion with the Krynoid.

Season 14

 * The Masque of Mandragora Part 1 - The Doctor kneels down to be decapitated.
 * The Masque of Mandragora Part 2 - The Doctor is attacked by the helix energy and Sarah is accosted by the Brethren.
 * The Masque of Mandragora Part 3 - Hieronymous obliterates Federico with an energy blast.
 * The Hand of Fear Part 1 - The fossilised hand of Eldrad comes to life.
 * The Hand of Fear Part 2 - The reactor core begins to go critical.
 * The Hand of Fear Part 3 - Eldrad is hit by a dart.
 * The Deadly Assassin Part 1 - The Doctor seemingly shoots the President.
 * The Deadly Assassin Part 2 - The Doctor's foot is caught in the train tracks as a train rattles towards him.
 * The Deadly Assassin Part 3 - Goth attempts to drown the Doctor.
 * The Deadly Assassin Part 4 - The Doctor escapes, but the Master chases him in his TARDIS.
 * The Face of Evil Part 1 - The Doctor discovers a cliff with his own face carved into it. Leela tells him that this is the Evil One.
 * The Face of Evil Part 2 - A phantom kills Andor.
 * The Face of Evil Part 3 - Inside "Sacred Heart" of the Mordee expedition ship, Xoanon attacks the Doctor, questioning who Xoanon is.
 * The Robots of Death Part 1 - The Doctor is trapped in a hopper as sand pours down on him.
 * The Robots of Death Part 2 - Toos cries out that the sandminer is going to explode.
 * The Robots of Death Part 3 - A corrupted Voc strangles the Doctor.
 * The Talons of Weng-Chiang Part 1 - A giant rat scurries towards the Doctor and Leela.
 * The Talons of Weng-Chiang Part 2 - Mr Sin approaches Leela with a knife.
 * The Talons of Weng-Chiang Part 3 - A giant rat attacks Leela.
 * The Talons of Weng-Chiang Part 4 - Magnus Greel escapes, having stolen the time cabinet, howling into the night.
 * The Talons of Weng-Chiang Part 5 - Magnus Greel attacks Leela and she pulls his mask off, revealing his disfigured face.

Season 15

 * Horror of Fang Rock Part 1 - A ship crashes into Fang Rock.
 * Horror of Fang Rock Part 2 - Reuban is heard screaming.
 * Horror of Fang Rock Part 3 - The Doctor realises he has locked the creature in with them.
 * The Invisible Enemy Part 1 - The Doctor points a gun at Leela.
 * The Invisible Enemy Part 2 - Professor Marius injects clones of the Fourth Doctor and Leela into the Doctor's brain.
 * The Invisible Enemy Part 3 - The TARDIS' dimensional stabiliser grows the Nucleus to macro-size.
 * Image of the Fendahl Part 1 - The Doctor is unable to run from the creature about to consume him.
 * Image of the Fendahl Part 2 - The Doctor writhes in pain as he touches the skull.
 * Image of the Fendahl Part 3 - The Doctor, Leela and the Tylers find they can't move their legs as a Fendahleen advances towards them.
 * The Sun Makers Part 1 - The Doctor is locked up, and some kind of gas strikes him.
 * The Sun Makers Part 2 - Leela, Cordo, and Bisham are surrounded by the guards.
 * The Sun Makers Part 3 - Leela is on the brink of steaming.
 * Underworld Part 1 - The R1C is being turned into a small planetoid.
 * Underworld Part 2 - The Doctor is gassed.
 * Underworld Part 3 - The Doctor and Leela are crushed.
 * The Invasion of Time Part 1 - The Doctor is attacked by the Matrix.
 * The Invasion of Time Part 2 - The Vardans arrive.
 * The Invasion of Time Part 3 - Andred prepares to kill the Doctor.
 * The Invasion of Time Part 4 - The Sontarans reveal themselves, drawing their guns.

Season 16

 * The Ribos Operation Part 1 - The Doctor and Romana are trapped with a waking shrivenzale.
 * The Ribos Operation Part 2 - The Graff orders the Doctor and Romana's execution on the spot.
 * The Ribos Operation Part 3 - The Doctor gives away his presence by sending a skull clattering to the floor, as the Graff declares nobody will now how he tried to trick him.
 * The Pirate Planet Part 1 - The Mentiads strike the Doctor down with telepathic energy.
 * The Pirate Planet Part 2 - Fleeing from the Captain's guards, the Doctor and Romana run into a group of Mentiads.
 * The Pirate Planet Part 3 - The Doctor is thrown overboard.
 * The Stones of Blood Part 1 - An illusion of the Doctor pushes Romana over a cliff.
 * The Stones of Blood Part 2 - Vivien Fay causes Romana to dematerialise.
 * The Stones of Blood Part 3 - Vivien destroys the Doctor and Romana's link back to Earth, stranding them.
 * The Androids of Tara Part 1 - The Doctor, drugged, collapses.
 * The Androids of Tara Part 2 - The Doctor seemingly strikes at Romana's head.
 * The Androids of Tara Part 3 - Grendel recaptures Romana.
 * The Power of Kroll Part 1 - The Swampies prepare to sacrifice Romana to Kroll.
 * The Power of Kroll Part 2 - Kroll begins to smash its way inside.
 * The Power of Kroll Part 3 - Kroll rises to the swamp's surface.
 * The Armageddon Factor Part 1 - The TARDIS is revealed to have disappeared.
 * The Armageddon Factor Part 2 - Two figures in masks trap the Doctor.
 * The Armageddon Factor Part 3 - The Marshal prepares to attack Zeos.
 * The Armageddon Factor Part 4 - The Shadow proclaims that he will capture the Key to Time.
 * The Armageddon Factor Part 5 - Drax shrinks the Doctor.

Season 17

 * Destiny of the Daleks Part 1 - Romana is cornered by two Daleks.
 * Destiny of the Daleks Part 2 - Davros reawakens from his sleep.
 * Destiny of the Daleks Part 3 - The bomb counts down to zero.
 * City of Death Part 1 - Count Scarlioni removes his face, revealing his true appearance.
 * City of Death Part 2 - The Doctor encounters Captain Trancredi, who appears to be identical to Scarlioni.
 * City of Death Part 3 - Scarlioni displays the success of his experiments by ageing Professor Kerensky to death.
 * The Creature from the Pit Part 1 - The Doctor jumps into the Pit.
 * The Creature from the Pit Part 2 - The Doctor faces the creature, which engulfs him.
 * The Creature from the Pit Part 3 - Torvin and Edu place a pentagon on the creature.
 * Nightmare of Eden Part 1 - A Mandrel attacks The Doctor.
 * Nightmare of Eden Part 2 - The Doctor and Romana jump into Eden.
 * Nightmare of Eden Part 3 - The Doctor disappears from the ship.
 * The Horns of Nimon Part 1 - The Doctor realises an object with the mass of a planet is on a collision course with the TARDIS.
 * The Horns of Nimon Part 2 - Nimon kills the co-pilot and approaches Romana and the Anethans.
 * The Horns of Nimon Part 3 - Soldeed aims his spear at the Doctor.

Season 18

 * The Leisure Hive Part 1 - The Doctor enters the Tachyon generator to investigate, but when an alien turns the generator on, the Doctor appears to be torn limb from limb.
 * The Leisure Hive Part 2 - The Doctor exits the generator, but he has aged hundreds of years.
 * The Leisure Hive Part 3 - A Foamasi approaches Brock and pulls off his face — revealing it is just a mask and that "Brock" is really a Foamasi.
 * Meglos Part 1 - Meglos traps the Doctor and Romana in a chronic hysteresis and then makes himself look like the Doctor.
 * Meglos Part 2 - Lieutenant Brotadac prepares to have Romana killed.
 * Meglos Part 3 - The Tigellans prepare to drop a large stone slab on the Doctor.
 * Full Circle Part 1 - The Marshmen rise from the swamp.
 * Full Circle Part 2 - Romana gets bitten by a spider.
 * Full Circle Part 3 - Romana (possessed by Marshmen) opens the emergency exits so the Marshmen can get in.
 * State of Decay Part 1 - Bats attack Romana and the Doctor.
 * State of Decay Part 2 - The Doctor and Romana find the Great Vampire and Aukon.
 * State of Decay Part 3 - Zargo and Camilla close in on Romana and Adric to feast on them.
 * Warriors' Gate Part 1 - A Gundan readies its axe for the Doctor.
 * Warriors' Gate Part 2 - A Tharil approaches Romana.
 * Warriors' Gate Part 3 - The Doctor and Romana are teleported from the Tharils' past into the present at the Gateway.
 * The Keeper of Traken Part 1 - The Consuls and Fosters prepare to shoot the Doctor and Adric.
 * The Keeper of Traken Part 2 - The Doctor, Adric, and Tremas are trapped by a net.
 * The Keeper of Traken Part 3 - The Melkur materializes in Kassia's place
 * The Keeper of Traken Part 4 - consumes the body of Tremas and renews himself.
 * Logopolis Part 1 - The Doctor realises the Master is on Earth while seeing the shrunken bodies of a policeman and Tegan's Aunt Vanessa.
 * Logopolis Part 2 - The TARDIS shrinks due to the Master.
 * Logopolis Part 3 - The Doctor forges an uneasy alliance with the Master.
 * Logopolis Part 4 - The Doctor regenerates into his fifth incarnation.

Season 19

 * Castrovalva Part 1 - The Master sends the TARDIS hurtling towards the big bang.
 * Castrovalva Part 2 - Nyssa and Tegan discover the Doctor has vanished.
 * Castrovalva Part 3 - The Doctor, Tegan and Nyssa discover the Master has trapped them in a time loop.
 * Four to Doomsday Part 1 - Enlightenment and Persuasion have transformed into the drawing Tegan sketched for them
 * Four to Doomsday Part 2 - Bigon reveals to the Doctor that beneath his face and chest there is just a mass of electronic circuits. Holding up a printed circuit connected to his chest, he states "This is me".
 * Four to Doomsday Part 3 - On Persuasion's orders, the Doctor is forced to his knees and one of the Greek androids raises his sword to decapitate him.
 * Kinda Part 1 - Hindle states that he has the power of life and death over everyone.
 * Kinda Part 2 - The Doctor begins to open the box and Todd screams.
 * Kinda Part 3 - The Doctor and Todd turn to find Panna dead.
 * The Visitation Part 1 - Mace, Tegan, Adric and Nyssa return to find the Doctor. However, they find no Doctor and a figure locks the door behind them.
 * The Visitation Part 2 - The Doctor and Mace are forced to their knees as a villager raise a scythe to decapitate them.
 * The Visitation Part 3 - The controlled Mace holds a gun on the Doctor as Tegan prepares to open a cage full of plague-infected rats.
 * Black Orchid Part 1 - Ann Talbot is menaced by a disguised figure.
 * Earthshock Part 1 - The Cyber-Leader orders the destruction of all life forms in the cave.
 * Earthshock Part 2 - The Doctor and Adric discover dead bodies with familiar-looking wounds. Captain Briggs enters, stating that the people of the freighter execute murderers.
 * Earthshock Part 3 - An army of Cybermen escape from storage inside the freighter's hold, marching onwards.
 * Time-Flight Part 1 - The Doctor is attacked by Plasmatons.
 * Time-Flight Part 2 - Kalid reveals himself to be the Master.
 * Time-Flight Part 3 - The Doctor, trapped along with his friends, fears the worst: the Master has finally bested him.

Season 20

 * Arc of Infinity Part 1 - Maxil shoots the Doctor.
 * Arc of Infinity Part 2 - The Doctor is terminated.
 * Arc of Infinity Part 3 - Omega takes control of the Matrix.
 * Snakedance Part 1 - Tegan is possessed by the Mara.
 * Snakedance Part 2 - The Mara possesses Lon.
 * Snakedance Part 3 - Lon orders the Doctor, Nyssa and Chela to be killed.
 * Mawdryn Undead Part 1 - Turlough prepares to kill the Doctor.
 * Mawdryn Undead Part 2 - Mawdryn reveals his pulsing brain.
 * Mawdryn Undead Part 3 - The Doctor reveals that to allow Mawdryn and the other Mutants death, he must give up his remaining regenerations.
 * Terminus Part 1 - Olvir reveals to Nyssa and the Doctor that they are on a plague ship.
 * Terminus Part 2 - Valgard strangles the Doctor.
 * Terminus Part 3 - The Doctor realises that "the process" will destroy the Universe.
 * Terminus Part 4 - The Black Guardian says to Turlough that he has one more chance to kill the Doctor.
 * Enlightenment Part 1 - The Doctor and his companions discover that they are on a "space ship".
 * Enlightenment Part 2 - Turlough jumps overboard.
 * Enlightenment Part 3 - Wrack places the focusing crystal on Tegan whilst.
 * The King's Demons Part 1 - The Master threatens the Doctor with his Tissue Compression Eliminator.

Season 21

 * Warriors of the Deep Part 1 - The Doctor falls into the reactor pool, and Turlough says he must be dead.
 * Warriors of the Deep Part 2 - Tegan is trapped under some debris, and the Doctor tries to help her, but Vorshak seals off the airlock. They are trapped in the airlock with the Myrka.
 * Warriors of the Deep Part 3 - The Sea Devils kill Nilson. Sauvix then tells the Doctor it is his turn.
 * The Awakening Part 1 - The Doctor reveals the Malus.
 * Frontios Part 1 - The Doctor discovers that all that the TARDIS had been destroyed, and all that is left of it is the hatstand.
 * Frontios Part 2 - The Tractators use a force to draw the Doctor toward them.
 * Frontios Part 3 - The machine enters the cavern carrying Captain Revere, whose mind is connected to the machine's controls.
 * Resurrection of the Daleks Part 1 - A Dalek appears via the time corridor and prepares to exterminate everyone.
 * Resurrection of the Daleks Part 2 - Stien is revealed as a Dalek agent.
 * Resurrection of the Daleks Part 3 - Davros declares that his new Daleks will be the supreme beings of the Universe.
 * Resurrection of the Daleks was originally transmitted as two episodes, but recorded as four.


 * Planet of Fire Part 1 - Kamelion turns into the Master.
 * Planet of Fire Part 2 - The Master convinces Timanov that the Doctor must be killed.
 * Planet of Fire Part 3 - Peri finds the Master shrunken and controlling Kamelion.
 * The Caves of Androzani Part 1 - The Doctor and Peri are shot.
 * The Caves of Androzani Part 2 - The Magma Beast approaches.
 * The Caves of Androzani Part 3 - The Doctor braces himself for impact.
 * The Caves of Androzani Part 4 - The Doctor regenerates into his sixth incarnation.

Season 21 (continued)

 * The Twin Dilemma Part 1 - Hugo Lang prepares to shoot the Doctor.
 * The Twin Dilemma Part 2 - Peri watches the Safehouse on Titan III explode.
 * The Twin Dilemma Part 3 - Azmael tells the Doctor that, if necessary, they must leave Peri to die.

Season 22
Production shifts to a 45-minute episode format.


 * Attack of the Cybermen Part 1 - The Cybermen take over the TARDIS and point guns at Peri.
 * Vengeance on Varos Part 1 - The Doctor collapses from "dehydration".
 * The Mark of the Rani Part 1 - The Doctor rolls towards the mineshaft.
 * The Two Doctors Part 1 - The Sixth Doctor is gassed and a hooded figure advances on Peri
 * The Two Doctors Part 2 - Peri is chased by Shockeye.
 * Timelash Part 1 - The Doctor is condemned to the Timelash.
 * Revelation of the Daleks Part 1 - A statue falls onto the Doctor.

Season 23
25-minute episodes resume.


 * The Trial of a Time Lord Part 1 - The Doctor is put on trial.
 * The Trial of a Time Lord Part 2 - The Doctor and Peri are cornered between the tribe and the security robot.
 * The Trial of a Time Lord Part 3 - Merdeen raises his gun and shoots the Doctor.
 * The Trial of a Time Lord Part 4 - The Doctor is accused of murder.
 * The Trial of a Time Lord Part 5 - The Doctor is placed into the mindwarp machine to be tortured and have his mind probed.
 * The Trial of a Time Lord Part 6 - Yrcanos threatens to kill the Doctor.
 * The Trial of a Time Lord Part 7 - Dorf, Peri and Yrcanos are shot and fall to the ground.
 * The Trial of a Time Lord Part 8 - The Doctor discovers Peri is dead, and demands to know why he was brought to the station.
 * The Trial of a Time Lord Part 9 - Edwardes is electrocuted as he tries to enter the hydroponics chamber, and Mel screams as the pods come to life in front of her.
 * The Trial of a Time Lord Part 10 - The Doctor and Mel discover a Vervoid hybrid, who opens her eyes.
 * The Trial of a Time Lord Part 11 - The Doctor proclaims that the ship is being piloted towards the black hole.
 * The Trial of a Time Lord Part 12 - The Doctor is accused of genocide.
 * The Trial of a Time Lord Part 13 - Hands grip the Doctor, drawing him down into the earth.
 * The Trial of a Time Lord Part 14 - The Valeyard, disguised as the Keeper of the Matrix, laughs in triumph.

Season 24

 * Time and the Rani Part 1 - Mel is trapped in a bubble by the Rani.
 * Time and the Rani Part 2 - The Doctor is cornered by the Tetraps.
 * Time and the Rani Part 3 - The Doctor is trapped inside a mind extraction machine with Mel powerless to help.
 * Paradise Towers Part 1 - The Chief Caretaker orders the Doctor to be killed.
 * Paradise Towers Part 2 - Mel is held prisoner by Tilda and Tabby.
 * Paradise Towers Part 3 - Kroagnon possesses the Chief Caretaker as the Doctor is grabbed by a cleaner.
 * Delta and the Bannermen Part 1 - Keillor prepares to shoot the Doctor and Ray.
 * Delta and the Bannermen Part 2 - The Doctor goes to leave with Mel and Burton, but then the Bannermen pull their guns on him.
 * Dragonfire Part 1 - The Doctor slowly slips down his umbrella, into the chasm beyond.
 * Dragonfire Part 2 - Kane proclaims that his victory is at hand.

Season 25

 * Remembrance of the Daleks Part 1 - A Dalek hovers up a staircase, ready to exterminate the Doctor.
 * Remembrance of the Daleks Part 2 - Three Daleks surround Ace.
 * Remembrance of the Daleks Part 3 - An Imperial Dalek shuttlecraft lands in Coal Hill School.
 * The Happiness Patrol Part 1 - The Doctor is trapped with the Kandyman
 * The Happiness Patrol Part 2 - The Doctor learns of Ace's predicament as she is forced to audition for the Happiness Patrol.
 * Silver Nemesis Part 1 - A squad of Cybermen arrive.
 * Silver Nemesis Part 2 - The Doctor reveals that there are thousands of Cyber-warships surrounding Earth.
 * The Greatest Show in the Galaxy Part 1 - As the Doctor and Ace enter the Psychic Circus, Mags witnesses something awful happening to Bellboy.
 * The Greatest Show in the Galaxy Part 2 - Captain Cook informs the Doctor and Mags that they are next in line to perform at the circus.
 * The Greatest Show in the Galaxy Part 3 - Cook forces Mags to revert to werewolf form.

Season 26

 * Battlefield Episode 1 - A knight in full armour greets the Doctor as "Merlin".
 * Battlefield Episode 2 - Ace is trapped in an airtight container which begins to fill with water.
 * Battlefield Episode 3 -Mordred declares that Ace and Shou Yuing have no chance against Morgaine and the Destroyer.
 * Ghost Light Part 1 - Ace finds two aliens in the cellar.
 * Ghost Light Part 2 - Control, followed by Light, appear.
 * The Curse of Fenric Part 1 - The Doctor and Ace are surrounded by Russian soldiers.
 * The Curse of Fenric Part 2 - Millington declares that the Doctor is "too late".
 * The Curse of Fenric Part 3 - Judson, possessed by Fenric, declares that his "game" against the Doctor has resumed.
 * Survival Part 1 - The Doctor discovers the Master on the Cheetah World.
 * Survival Part 2 - Ace's eyes glint with the symptoms of the Cheetah virus.

Series 1

 * Aliens of London - The Slitheen electrocute the Ninth Doctor and the UNIT experts, Sip Fel-Fotch Passameer-Day Slitheen corners Jackie, Blon Fel-Fotch Passameer-Day Slitheen strangles Indra Ganesh.
 * The Empty Child - The Empty Child surrounds the Doctor, Rose and Captain Jack Harkness.
 * Bad Wolf - The Dalek Fleet prepares for battle with the Doctor.
 * The Parting of the Ways - The Doctor regenerates into his tenth incarnation.

Series 2

 * Rise of the Cybermen - The Cybermen prepare to "delete" the Doctor, Rose, Mickey Smith, Ricky Smith and Jake Simmonds.
 * The Impossible Planet - The pit begins to open, and a voice proclaims that he is free.
 * Army of Ghosts - An army of five million Cybermen appear all over the world whilst the Cult of Skaro emerge simultaneously from the Void Ship.
 * Doomsday - Donna Noble suddenly appears in the TARDIS.

Series 3

 * Daleks in Manhattan - The Dalek Sec Dalek/Human hybrid emerges from Sec's casing.
 * Human Nature - The Family of Blood give John Smith a choice of who to allow to die, Martha or Joan.
 * Utopia - The newly regenerated Master steals the TARDIS, leaving the Doctor, Martha and Jack stranded at the end of the universe and under attack by Futurekind.
 * The Sound of Drums - Six billion Toclafane rain down upon the Earth and begin to decimate the population.
 * Last of the Time Lords - The Titanic crashes into the TARDIS.

Animated mini-series

 * The Infinite Quest Episode 1 - After destroying Baltazar's ship the Doctor and Martha leave in the TARDIS as Baltazar (riding Caw) vows revenge.
 * The Infinite Quest Episode 2 - Caw tells the Doctor to find all the chips to the Infinite. After the Doctor leaves Caw is revealed to still serve Baltazar.
 * The Infinite Quest Episode 3 - Captain Kaliko orders her crew to kill the Doctor and Martha.
 * The Infinite Quest Episode 4 - Swabb orders the oil rigs to attack Kaliko's ship.
 * The Infinite Quest Episode 5 - The Doctor and Martha travel to Myarr and are attacked by a swarm of flies.
 * The Infinite Quest Episode 6 - The Doctor finds out the enemies of the Mantasphids.
 * The Infinite Quest Episode 7 - A fleet of Earth ships attack the Mantasphid city.
 * The Infinite Quest Episode 8 - The Doctor and Martha travel to Volag-Noc and are captured.
 * The Infinite Quest Episode 9 - Gurney reveals he is not the governor of Volag-Noc and someone cuts through the door of his office.
 * The Infinite Quest Episode 10 - Martha chases Gurney to the TARDIS and Baltazar flys towards them.
 * The Infinite Quest Episode 11 - Baltazar forces the Doctor to send the TARDIS to the Infinite and then shoots him.
 * The Infinite Quest Episode 12 - An illusion of the Doctor prepares to attack Martha.

Series 4

 * The Sontaran Stratagem - The Sontarans use ATMOS to gas the Earth and they then send troops to the planet.
 * The Poison Sky - The Doctor's hand starts to bubble and the TARDIS is sent off course.
 * Silence in the Library - The Doctor discovers Donna's face on a Node, informing him she has left the Library. He, River Song, Strackman Lux, Anita and Other Dave are pursued by Proper Dave.
 * Turn Left - Donna gives the Doctor the message "Bad Wolf", revealing to the Doctor that the end of the universe is imminent.
 * The Stolen Earth - The Doctor begins to regenerate.
 * The End of Time Part One - The Master uses the Immortality Gate to convert humanity into the Master Race and Rassilon prepares to save his people.
 * The End of Time Part Two - The Doctor regenerates into his eleventh incarnation as the TARDIS hurtles towards Earth.

Animated mini-series

 * Dreamland Episode 1 - The Doctor, Cassie and Jimmy are captured by the US military, while Lord Azlok warns Colonel Stark not to fail him.
 * Dreamland Episode 2 - The Doctor, Cassie and Jimmy discover the Viperox Queen and her eggs.
 * Dreamland Episode 3 - Colonel Stark captures Rivesh Mantilax.
 * Dreamland Episode 4 - Lord Azlok flies away from Area 51, claiming that Rivesh's genetic weapon is now useless.
 * Dreamland Episode 5 - While driving a pickup truck carrying the TARDIS back to the Doctor, Cassie and Jimmy run into some Viperox.

Series 5

 * The Beast Below - A crack is revealed on Starship UK and a shadow of a Dalek is breifley seen with Winston Churchill.
 * Victory of the Daleks - The Doctor, having defeated the Daleks, leaves in the TARDIS, revealing a crack behind it.
 * The Time of Angels - The Doctor shoots the gravity globe illuminating the chamber.
 * The Hungry Earth - The Doctor and Nasreen Chaudhry discover the Silurian underground city.
 * Cold Blood - The Doctor discovers that the shrapnel he pulled out of the crack in time was a part of the TARDIS' exterior.
 * The Pandorica Opens - Every star at every moment in history explodes, ending the universe.

Series 6

 * The Impossible Astronaut - Amy shoots a girl inside an astronaut suit.
 * Day of the Moon - The mysterious little girl regenerates in New York City.
 * The Rebel Flesh - A ganger of the Doctor emerges from the shadows.
 * The Almost People - The real Amy wakes, ready to give birth. She is told by a mysterious lady to "push".
 * A Good Man Goes to War - River Song reveals that she is Amy and Rory's daughter.
 * Closing Time - River is placed inside the astronaut suit in Lake Silencio, ready to kill the Doctor on 22 April 2011.
 * The Wedding of River Song - Dorium asks the Doctor the first question in the Universe: "Doctor who?"

Series 7

 * The Snowmen - Upon Clara Oswald's death, Doctor discovers that she and Oswin Oswald are one and the same, and sets out to find a third version of her.
 * The Name of the Doctor - As the Doctor carries Clara away, the man turns around, showing his elderly face as an on-screen caption reveals his identity to be "the Doctor."

Series 8

 * Dark Water - reveals herself to be the Master as the Cybermen are released into London.
 * Death in Heaven - Santa Claus appears in the TARDIS.

Series 9

 * The Magician's Apprentice - The Doctor brandishes a Dalek gunstick, apparently preparing to kill young Davros.
 * Under the Lake - Clara witnesses a new ghost appear - that of the Doctor.
 * The Zygon Invasion - With Clara and Kate Stewart apparently dead, Bonnie prepares to fire a missile at Boat One.
 * Face the Raven - With the death of Clara enraging the Doctor, he submits himself to be teleported by Me.
 * Heaven Sent - After escaping his confession dial, the Doctor finds himself on Gallifrey.

Series 1

 * End of Days - Jack hears the TARDIS materialising and leaves the Hub.

Series 2

 * Fragments - After facing a bomb trap in a warehouse the Torchwood team are contacted by Captain John Hart, who reveals he planted the bombs and shows Jack his brother Gray.

Series 3

 * Children of Earth: Day One - Due to an accidental scan, Jack finds out a bomb has been planted in his stomach.
 * Children of Earth: Day Two - "We are coming tomorrow."
 * Children of Earth: Day Three - The 456 demand 10% of the world's children and Jack reveals to his team that he gave the 12 children to the 456 in 1965 as a "gift".
 * Children of Earth: Day Four - When Jack and Ianto confront the 456, refusing their proposal and promising they'll fight, the 456 release a virus into Thames House killing everyone inside apart from Dekker.
 * Children of Earth: Day Five - Six months after the events of the series, Captain Jack leaves the Earth for a new life.

Series 4

 * The New World - Rex Matheson and Cardiff's police force surround Gwen, Jack, Rhys and Anwen and extradite Gwen and Jack to the United States.
 * Rendition - Jack, Gwen, Esther Drummond and Rex escape the Central Intelligence Agency.
 * Escape to LA - Geraint Cooper is taken away to Cowbridge Overflow Camp.
 * The Categories of Life - Vera Juarez is burnt inside a module activated by Colin Maloney.
 * The Middle Men - Gwen learns her mother, husband, and child are being held hostage, and a mysterious group talking through her Eye-5 demands Jack.
 * Immortal Sins - Jack learns that his former lover Angelo knows about the Miracle.
 * End of the Road - Esther is on the run with a mortally wounded Jack.
 * The Gathering - In Shanghai, Jack, Gwen and Oswald Danes notice Jack's blood pointing them towards the Blessing.
 * The Blood Line - Jilly Kitzinger is recruited by The Three Families for what they called "Plan B".

Series 1

 * Revenge of the Slitheen Part One - Florm Rox Fey Fenerill-Slam Slitheen chases Sarah Jane, Glune Fex Fize Sharlaveer-Slam Slitheen confronts Luke and Korst Gogg Thek Lutiven-Day Slitheen reveals himself to Clyde and Maria.
 * Eye of the Gorgon Part One - The nuns kidnap Luke and Clyde and the Gorgon turns Alan to stone.
 * Warriors of Kudlak Part One - Sarah Jane and Maria are confronted by Kudlak and Luke and Clyde are teleported to the Uvodni warship.
 * Whatever Happened to Sarah Jane? Part One - Krislok erases Maria from history but she escapes to 1964 and meets Sarah Jane as a child.
 * The Lost Boy Part One - Mr Smith reveals his true intentions and absorbs Clyde into his data banks, Luke's "Parents" reveal themselves as Slitheen and Korst Gogg Thek Slitheen vows revenge.

Series 2

 * The Last Sontaran Part One - Commander Kaagh stuns Sarah Jane and plans to send satellites to Earth's nuclear stockpiles causing a nuclear holocaust.
 * The Day of the Clown Part One - The Pied Piper traps Sarah Jane and her friends in Spellman's Magical Museum of the Circus.
 * Secrets of the Stars Part One - Martin Trueman starts taking over everyone in the world by their star signs one by one; Clyde attacks Sarah Jane, Luke and Rani.
 * The Mark of the Berserker Part One - Paul Langer tells Clyde to forget his friends and becomes possessed by a Berserker.
 * The Temptation of Sarah Jane Smith Part One - Sarah Jane saves her parents from death but returns to the present to find that London is in ruins and the Trickster reveals that he tricked her.
 * Enemy of the Bane Part One - Sarah Jane, Rani and the Brigadier escape the Black Archive with the Tunguska Scroll, agents of the Bane Kindred attack Luke and Clyde and Mrs Wormwood joins Kaagh.

Series 3

 * Prisoner of the Judoon Part One - Mr Smith warns Luke, Clyde, Rani and Tybo to leave the Bannerman Road as has been turned in to a bomb which will destroy Bannerman Road in 1 minute.
 * The Mad Woman in the Attic Part One - Eve shows Rani her future as a mad woman in an attic.
 * The Wedding of Sarah Jane Smith Part One - During Sarah Jane's wedding to Peter Dalton, the Doctor suddenly storms in and warns her to stop the wedding but despite his efforts, the Trickster appears and takes Sarah Jane away.
 * The Eternity Trap Part One - Sarah Jane is attacked by a red-eyed creature and Clyde and Rani are confronted by Erasmus Darkening.
 * Mona Lisa's Revenge Part One - Mona Lisa imprisons Sarah Jane in a painting.
 * The Gift Part One - The Rakweed gift from the Slitheen-Blathereen starts infecting Ealing and a plant releases a cloud of spores which advance on Sarah Jane and Luke.

Series 4

 * The Nightmare Man Part One - The Nightmare Man materialises in the real world after trapping Luke in a permanent nightmare.
 * The Vault of Secrets Part One - Androvax (in Clyde's body) takes the two discs from Ocean Waters. Then the Alliance of Shades arrive and tell every one in the room they will be incinerated.
 * Death of the Doctor Part One - After the Eleventh Doctor swaps places with Clyde, the Claw Shansheeth attack him with an energy beam.
 * The Empty Planet Part One - The Automatons corner Clyde and Rani and reveal their guns.
 * Lost in Time Part One - The Shopkeeper realises the gang are taking too long and they might be trapped in the past forever.
 * Goodbye, Sarah Jane Smith Part One - Ruby White begins to feed on Sarah Jane.

Series 5

 * Sky Part One - Sky is "primed", turning into a pre-teen.
 * The Curse of Clyde Langer Part One - Homeless and with no friends, Clyde breaks down until he is approached by a homeless girl offering help.
 * The Man Who Never Was Part One - Plark and other Skullions close in on Luke and Sky.

K9

 * Hound of the Korven - Thorne gives K9's regeneration unit to an unseen force.