When Worlds Collide (documentary)

When Worlds Collide was a DVD documentary that was released on 7 May 2012.

Home video releases[edit | edit source]

Doctor Who Classic Series DVD documentaries

For the purposes of this list, a "DVD documentary" is one made especially for the Classic Series DVD range. For this reason, things like studio recordings, film trims/inserts and other documentaries featured on DVD releases are not included below.

First Doctor DVD releases

Creation of the Daleks • Doctor Who: Origins • Over the Edge: The Story of "The Edge of Destruction" • Inside the Spaceship: The Story of the TARDIS • Masters of Sound • The Sets of Marinus • Remembering The Aztecs • Designing The Aztecs • Restoring The Aztecs • Looking for Peter • Vision On • Secret Voices of the Sense Sphere • Don't Lose Your Head • Robespierre's Domain: Animated Backgrounds Tour • Rediscovering the Urge to Live • Future Memories • Future Visions • Talking Daleks • Script to Screen • Mounting The Rescue • What has "The Romans" ever done for us? • Roma Parva • Dennis Spooner: Wanna Write a Television Series? • Tales of Isop • Defending the Museum • My Grandfather, the Doctor • The Thrill of The Chase • Cusick in Cardiff • Last Stop White City • Daleks! Conquer and Destroy • Daleks! Beyond the Screen • Shawcraft: The Original Monster Makers • Enter +++ Enter +++ Zero +++ Stop • The Time Meddler Restoration: Before & After • One Hit Wonder • Riverside Story • All's Wells That Ends Wells • The End of the Line? • WOTAN Assembly • Frozen Out • Companion Piece • The Golden Age

Second Doctor DVD releases

Servants and Masters • A Fishy Tale • The Television Centre of the Universe: Part Two • Lunar Landing • The Lost Giants • The Curse of the Cybermen's Tomb • Cybermen: Extended Edition • The Magic of VidFIRE • The Tomb of the Cybermen: Remastering for DVD • Cold Fusion • Beneath the Ice: Animating the Ice Warriors • Treasures Lost and Found • Recovering the Past: The Search for "The Enemy of the World" • Remembering Deborah Watling • Recharge and Equalise • The Fact of Fiction • Highlander: The Jamie McCrimmon Story • Evolution of The Invasion • Flash Frames: Reanimating The Invasion • Love Off-Air • Character Design • Second Time Around: The Troughton Years • Lords of the Red Planet • Sssowing the Ssseedsss: Musings on being an Ice Warrior • Michael Ferguson's Monster Masterclass • Monsters who Came Back for More! • War Zone: The End of an Era • Time Zones: The Truth behind "The War Games" • Shades of Grey • The Doctor's Composer: Part One, 1964-69 • Talking about Regeneration • Sylvia James: In Conversation

Third Doctor DVD releases

Down to Earth • Regenerations: From Black and White to Colour • What Lies Beneath • Going Underground • Colour Silurian Overlay • Musical Scales: An Era of Experimentation • Mars Probe 7 • Can You Hear the Earth Scream? • The UNIT Family: Part One • Hadoke v Havoc • Being David Burton • Life on Earth • The Doctor's Moriarty • Plastic Fantastic • The Military Mind • Axon Stations! • Living with Levene • Reverse Standards Conversion: The Axon Legacy • IMC Needs You! • The Devil Rides Out • Remembering Barry Letts • Blasting the Past • A View from the Gallery • The Making of Day of the Daleks: Special Edition • The UNIT Family: Part Two • The UNIT Dating Conundrum • The Cheating Memory • The Peladon Saga: Part One, The Markets & the Miners • Warriors of Mars • Jon and Katy • Hello Sailor! • Mutt Mad • Race Against Time • Dressing Doctor Who: James Acheson • Between Now... and Now!: Science and "The Time Monster" • The Time Monster: Restoration Comparison • Happy Birthday to Who • Was Doctor Who Rubbish? • Destroy All Monsters! • The A to Z of Gadgets & Gizmos • Mary Celeste and other Maritime Mysteries • The Perfect Scenario: Lost Frontiers • The Space War • Roger Delgado: The Master • The Perfect Scenario: The End of Dreams • The Rumble in the Jungle • Multi-colourisation • The One with the Maggots • Stewart Bevan Interview • Robert Sloman Interview • Visual Effects • Beginning the End • People, Power and Puppetry • Beneath the City of the Exxilons • On the Set of Dr Who and the Daleks • The Peladon Saga: Part Two, The Monsters & the Monarchs • The Final Curtain • John Kane Remembers Planet of the Spiders

Fourth Doctor DVD releases

Are Friends Electric? • The Tunnel Effect • A New Frontier • Roger Murray-Leach Interview • Built for War: The Sontaran Story • Genesis of a Classic • The Dalek Tapes • The Tin Men and the Witch • Cheques, Lies and Videotape • Interview with the Time Lord • Scotch Mist in Sussex • Remembering Douglas Camfield • The UNIT Family: Part Three • A Darker Side • Planetary Performance: Acting in Doctor Who • Hidden Hinchcliffe • Osirian Gothic • Serial Thrillers • The Village that Came to Life • Life After Who: Philip Hinchcliffe • Getting a Head • Designs on Karn • The Brain of Morbius Set Tour • A letter to Robert Holmes • Podshock • Playing in the Green Cathedral • So What Do You Do Exactly? • The Secret of the Labyrinth • Bigger on the Inside • Beneath the Masque of "The Mask of Mandragora" • Changing Time: Living and Leaving Doctor Who • The Matrix Revisited • The Gallifreyan Candidate • The Frighten Factor • Into the Wild • The Sandmine Murders • Robophobia • The Last Hurrah • Moving On • The Foe from the Future • Victoriana and Chinoiserie: References in "The Talons of Weng-Chiang" • Music Hall: The Talents of Ones who Sang • Limehouse: A Victorian Chinatown • Terrance Dicks: Fact & Fiction • Paddy Russell: A Life in Television • Dreams and Fantasy • Visual Effect: The Modelwork of The Invisible Enemy • After Image • Running from the Tax Man • The Doctor's Composer: Part Two, 1970-79 • Into the Unknown • Out of Time • The Rise and Fall of Gallifrey • The Elusive David Agnew • A Matter of Time • The Ribos File • Parrot Fashion • Weird Science • Getting Blood from the Stones • Hammer Horror • Stones Free • The Humans of Tara • Double Trouble • There's Something About Mary... • Philip Madoc: A Villain for all Seasons • Defining Shadows • Rogue Time Lords • Terror Nation • Paris in the Springtime • Christopher Barry: Director • Team Erato • The Nightmare of TV Centre • Going Solo • Who Peter: Part One, Partners in Time 1963-1989 • Read the Writer • Taken Out of Time • Strike! Strike! Strike! • Being a Girl • A New Beginning • From Avalon to Argolis • Synthesizing Starfields: Redesigning the Titles • June Hudson's Leisure Wear • Meglos Men • The Scene Sync Story • Jacqueline Hill: A Life in Pictures • Entropy Explained • All Aboard the Starliner • K-9 in E-Space • E-Space: Fact or Fiction? • The Vampire Lovers • Leaves of Blood: Literary Vampires • The Blood Show • The Frayling Reading • The Dreaming • The Boy with the Golden Star • Lalla's Wardrobe: A Frockumentary • Being Nice to Each Other • The Return of the Master • A New Body at Last

Fifth Doctor DVD releases

Directing Castrovalva • Being Doctor Who: In conversation with Peter Davison • The Crowded TARDIS • Dream Time • Peter Grimwade: Directing with attitude… • Grim Tales • The Television Centre of the Universe: Part One • Scoring The Visitation • Writing a Final Visitation • Black Orchid: Film Restoration • Putting the Shock into Earthshock • Mouth on Legs • Anti-Matter from Amsterdam • The Omega Factor • Snake Charmer • In Conversation: Chris Bailey & Rob Shearman • Who Wants to Live Forever? • Breaking Point • Origins of the Universe • Winner Takes All • Single Write Female • The Story of the Guardians • Casting Off! • Re-Enlightenment • Finding Mark Strickson • Finding Sarah Sutton • Kamelion: Metal Man • Magna Carta: The Dawn of Democracy • Celebration: Doctor Who in 1983 • The Ties that Bind Us • The Depths • They Came from Beneath the Sea • Mat's Models: Relics from the Irvine workshop • Return to Little Hodcombe • Making the Malus • Driven to Distractation • Resurrection of the Daleks: On Location • Casting Far and Wide • Come in Number Five • The Flames of Sarn • Return to the Planet of Fire • Designs on Sarn • Calling the Shots • Remembering Anthony Ainley • Planet of Fire Factoids • Chain Reaction

Sixth Doctor DVD releases

Look 100 Years Younger • The Star Man • The Cold War • The Cyber Story • Human Cyborg: The Cybernetic Experiments • The Cybernetic Autonomous Dalek • Nice or Nasty? • The Idiot's Lantern • Lords and Luddites • Playing with Time: Scoring Doctor Who • Behind the Sofa: Robert Holmes and Doctor Who • Adventures in Time and Spain • The Good, the Bad and the Ugly • Revelation Exhumed • The Making of The Trial of a Time Lord (1, 2, 3, 4) • The Lost Season • Now, Get Out of That: Doctor Who Cliffhangers • Trials and Tribulations

Seventh Doctor DVD releases

The Last Chance Saloon • 7D FX • Helter-Skelter • Lakertya • Hot Gossip • Eye-Sore • The Name'sh McCoy Shylveshter McCoy • Horror on the High Rise • Casting Sylvester: The Missing Piece of the Jigsaw • Hugh and Us • Fire and Ice • The Big Bang Theory • Back to School • Remembrances: Referencing the Past • Davros Connections • Happiness Will Prevail • When Worlds Collide • Industrial Action • The Show Must Go On • Lost in the Darkness: The Greatest Show in the Galaxy's Missing Model Shots • Storm Over Avallion • Past and Future King • Watertank • From Kingdom to Queen: Jean Marsh in Doctor Who • Light in Dark Places • Shattering the Chains • Recutting the Runes • Costume Design: Ken Trew • Doctor Who: Endgame • Cat Flap: Part One, Conception & the Casualty Connection • Cat Flap: Part Two, Cats, Comedians & Quarry • Little Girl Lost

Eighth Doctor DVD releases

The Seven Year Hitch • The Wilderness Years • Who Peter: Part Two, A New Regeneration 1989-2009 • Philip Segal Interview • Matthew Jacobs' earliest memory of Dr Who

Other DVD releases

K9 and Company	The K-9 Files • K-9: A Dog's Tale

More than 30 Years in the TARDIS	Remembering Nicholas Courtney • Those Deadly Divas • Richard Martin's memories of Verity

Scream of the Shalka	Carry On Screaming • The Screaming Sessions • Interweb of Fear

Multi-part series

Directing Who	Michael Ferguson on The Claws of Axos • with Barry Letts • with Michael Hayes • Ken Grieve • Peter Moffatt • Then & Now with Graeme Harper

Doctor Who Stories	Suddenly Susan • The Lambert Tapes • Peter Purves • Anneke Wills • Frazer Hines • Dalek Men • Elisabeth Sladen • Tom Baker • Louise Jameson

dr. forever!	The Celestial Toyroom • Love and War • The Apocalypse Element • Lost in the Dark Dimension • The Unquiet Dead

Girls! Girls! Girls!	The 1960s • The 1970s • The 1980s • Boys! Boys! Boys!

Now and Then	The Dalek Invasion of Earth • The War Machines • The War Games • Doctor Who and the Silurians • The Mind of Evil • The Claws of Axos • Day of the Daleks • Invasion of the Dinosaurs • Planet of the Spiders • Pyramids of Mars • The Seeds of Doom • The Masque of Mandragora • The Talons of Weng-Chiang • The Androids of Tara • Shada • Black Orchid • The Awakening • The Mark of the Rani • Now and Then on the Trail of a Time Lord

On Target	Terrance Dicks • Malcolm Hulke • Ian Marter

Stripped for Action	The First Doctor • The Second Doctor • The Third Doctor • The Fourth Doctor • The Fifth Doctor • The Sixth Doctor • The Seventh Doctor • The Eighth Doctor • The Daleks

The Doctor's Strange Love	The Krotons • Nightmare of Eden • Dragonfire • The TV Movie

Tomorrow's Times	The First Doctor • The Second Doctor • The Third Doctor • The Fourth Doctor • The Fifth Doctor • The Sixth Doctor • The Seventh Doctor • The Eighth Doctor

See also: Title cards • DVD special features • Easter eggs

Home video releases[edit | edit source]

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