London Underground

The London Underground is London's actual underground train network, administered by London Transport, frequently appearing in the Doctor Who universe. (TV: Invasion of the Dinosaurs)

White City tube station and Marylebone station are actual London Underground stations. (TV: The Chase, Doctor Who and the Silurians)

19th century
The construction of part of the London Underground awoke a group of Silurians led by Vastra. She wanted to avenge her deceased people on the workers, but the Doctor convinced her not to give in to rage. (TV: A Good Man Goes to War)

The Second Doctor seemed to believe the Underground was only built after Victoria Waterfield left Earth in 1866. (TV: The Web of Fear)

Parts of the Torchwood Hub were built in a similar style to the old Underground stations. (TV: Everything Changes onwards)

In 1867, the Phantoms from an alternate version of 2008 manipulated Thomas Brewster into constructing a time machine in a tunnel near Great Portland Street station. (AUDIO: The Haunting of Thomas Brewster)

In 1868, the First Doctor, Ian and Barbara helped Thomas Huxley investigate disappearances in the London Undergrounds; where they discovered the Zarbi and the Animus settled. They were able to kill the Animus with a train and send the Zarbi back home, but the Doctor soon realised that his companions had gone missing. (COMIC: Prisoners of Time)

In 1892, the Eleventh Doctor showed the Great Intelligence a map of the London Underground from 1967, and said that it was "a key strategic weakness in metropolitan living." He then went on to say, "but then I've never liked a tunnel." (TV: The Snowmen)

20th century
During World War II, a military transit camp was constructed in Goodge Street station. The rooms and corridors remained, shut off from public access, for decades after the war finished. (TV: The Web of Fear)

On 26 June 1965, Ian Chesterton and Barbara Wright walked past White City Underground station after their return to Earth. (TV: The Chase, PROSE: The Time Travellers)

During the Cold War, a hidden elevator was built leading from an Underground station to a top-secret nuclear bunker under Whitehall. (TV: Invasion of the Dinosaurs)

The platforms and tunnels of the Underground were used by the Great Intelligence to pull in the Second Doctor and his companions Jamie McCrimmon and Victoria Waterfield in the TARDIS and have them attacked by its robot Yetis. (TV: The Web of Fear)

At some point after this adventure, the Brigadier and the exiled-to-Earth Third Doctor were forced to chase an alien master of disguise throughout the Underground system. The Doctor discovered that the inter-galactic criminal, Hingrad, had dug a secret passage from the bowels of the Tower Hill tube station to the base of the Tower of London. The Doctor followed Hingrad to the Tower, but was unable to capture him. He did, however, succeed in preventing Hingrad from stealing the Crown Jewels. (COMIC: Secret of the Tower)

21st century
Sarah Jane Smith once saved the Underground from a terrorist attack. (AUDIO: Test of Nerve)

In 2005, people outside Queens Arcade tube station were amongst those attacked by Autons. (TV: Rose)

In 2007, the Tenth Doctor visited Aldgate tube station because it passed close to the chamber where the Water Hive were holding their prisoners. (PROSE: The Feast of the Drowned)

In 2009, the Doctor and Majenta Pryce investigated the 'ghosts' haunting the Underground and defeated Mnemosyne. (COMIC: Ghosts of the Northern Line)

In 2010, Thomas Brewster's time machine was used to transport train-loads of commuters (including Evelyn Smythe and Philippa Jackson) from Great Portland Street tube station to the planet Symbios, where they would serve as troops to fight the invading Terravores. (AUDIO: The Crimes of Thomas Brewster)

In 2012, the Eleventh Doctor and River Song found a group of refugees who had evaded Cyber-conversion hiding in the London Underground. They electrified the train rails to stop the Cybermen. (GAME: The Eternity Clock)

In 2050, trains in the London area (presumably including the Underground) were under the authority of TubeCorp. (TV: Oroborus)

22nd century
A disused Underground station was used as a base for resistance fighters against the Dalek occupation. (TV: The Dalek Invasion of Earth)

The far future
The tunnels and platforms of Marble Arch station survived the fireball when Earth was moved to become Ravolox. A tribe of primitive humans ruled by the robot Drathro resided here. (TV: The Mysterious Planet)

Alternate universes
The First Doctor, Susan, Ian, and Barbara once landed in Canary Wharf station in a universe where WOTAN had never been defeated. (PROSE: The Time Travellers)

The Underground also existed in Pete's World. The Tenth Doctor walked past the entrance to St. Paul's station there. (TV: Rise of the Cybermen)

When the Daleks conquered Earth in 1963, Sylvia (the last human) hid in the Underground. Unfortunately, she died setting a trap for the Daleks, but her death gave the Doctor and Amy Pond enough time to escape and fix the timeline. (GAME: City of the Daleks)

Behind the scenes

 * On 18 March 2007, BBC Four broadcast a London Underground Night, during which they showed episode one of The Web of Fear — the only episode of this six-part serial known to survive at the time.