Mexico, the early 15th century.The TARDIS arrives in the tomb of former Aztec High Priest Yetaxa. The travellers become cut off from the ship when they go and explore the temple outside. Barbara is acclaimed by the High Priest of Knowledge, Autloc, as Yetaxa's divine reincarnation. However, she incurs the wrath of the High Priest of Sacrifice, Tlotoxl, when she attempts to use her new-found authority to stop the Aztec practice of human sacrifice. Can Barbara change the course of history and save the Aztecs? Can the time travellers find a way back into the tomb? Or will they fall victim to Tlotoxl's altar of sacrifice?
s01e01 - An Unearthly Child (1)
s01e02 - The Cave of Skulls (2)
s01e03 - The Forest of Fear (3)
s01e04 - The Firemaker (4)
s01e05 - The Dead Planet (1)
s01e06 - The Survivors (2)
s01e07 - The Escape (3)
s01e08 - The Ambush (4)
s01e09 - The Expedition (5)
s01e10 - The Ordeal (6)
s01e11 - The Rescue (7)
s01e12 - The Edge of Destruction (1)
s01e13 - The Brink of Disaster (2)
s01e14 - The Roof of the World (1)
s01e15 - The Singing Sands (2)
s01e16 - Five Hundred Eyes (3)
s01e17 - The Wall of Lies (4)
s01e18 - Rider From Shang-Tu (5)
s01e19 - Mighty Kublai Khan (6)
s01e20 - Assassin at Peking (7)
s01e21 - The Sea of Death (1)
s01e22 - The Velvet Web (2)
s01e23 - The Screaming Jungle (3)
s01e24 - The Snows of Terror (4)
s01e25 - Sentence of Death (5)
s01e26 - The Keys of Marinus (6)
s01e27 - The Temple of Evil (1)
s01e28 - The Warriors of Death (2)
s01e29 - The Bride of Sacrifice (3)
s01e30 - The Day of Darkness (4)
s01e31 - Strangers in Space (1)
s01e32 - The Unwilling Warriors (2)
s01e33 - Hidden Danger (3)
s01e34 - A Race Against Death (4)
s01e35 - Kidnap (5)
s01e36 - A Desperate Venture (6)
s01e37 - A Land of Fear (1)
s01e38 - Guests of Madame Guillotine (2)
s01e39 - A Change of Identity (3)
s01e40 - The Tyrant of France (4)
s01e41 - A Bargain of Necessity (5)
s01e42 - Prisoners of Conciergerie (6)
Doctor Who is the longest-running science fiction TV series in history, airing initially from 1963 to 1989. Doctor Who is about ideas. It pioneered sophisticated mixed-level storytelling. Its format was the key to its longevity: the Doctor, a mysterious traveller in space and time, travels in his ship, the TARDIS. The TARDIS can take him and his companions anywhere in time and space. Inevitably he finds evil at work wherever he goes...