Doctor Who
Season 1, Episode 18: Rider from Shang Tu
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The Doctor and his friends elect to warn Marco of Acomat's attack even though it means losing their chance to gain access to the TARDIS.
All Episodes - Season 1
Episode 1
An Unearthly Child
Episode 2
The Cave of Skulls
Episode 3
The Forest of Fear
Episode 4
The Firemaker
Episode 5
The Dead Planet
Episode 6
The Survivors
Episode 7
The Escape
Episode 8
The Ambush
Episode 9
The Expedition
Episode 10
The Ordeal
Episode 11
The Rescue
Episode 12
The Edge of Destruction
Episode 13
The Brink of Disaster
Episode 14
The Roof of the World
Episode 15
The Singing Sands
Episode 16
Five Hundred Eyes
Episode 17
The Wall of Lies
Episode 18
Rider from Shang Tu
Episode 19
Mighty Kublai Khan
Episode 20
Assassin at Peking
Episode 21
The Sea of Death
Episode 22
The Velvet Web
Episode 23
The Screaming Jungle
Episode 24
The Snows of Terror
Episode 25
Sentence of Death
Episode 26
The Keys of Marinus
Episode 27
The Temple of Evil
Episode 28
The Warriors of Death
Episode 29
The Bride of Sacrifice
Episode 30
The Day of Darkness
Episode 31
Strangers in Space
Episode 32
The Unwilling Warriors
Episode 33
Hidden Danger
Episode 34
A Race Against Death
Episode 35
Kidnap
Episode 36
A Desperate Venture
Episode 37
A Land of Fear
Episode 38
Guests of Madame Guillotine
Episode 39
A Change of Identity
Episode 40
The Tyrant of France
Episode 41
A Bargain of Necessity
Episode 42
Prisoners of Conciergerie