Doctor Who
S01E21 The Sea of Death
On the alien planet of Marinus, an era of tranquility has prevailed for many years, thanks to a mind-altering device called the Conscience. However, the Voord, a formidable race, have gained resistance to its influence. As a result, Arbitan, the guardian of the Conscience, is compelled to hide its essential control keys across the landscape. Seeking assistance, he turns to the time travelers to help retrieve them. Their quest will lead them through an extraordinary odyssey, fraught with dangers at every turn...
Season 1 Episodes
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An Unearthly Child
Holiday Knights
The Cave of Skulls
Sins of the Father
The Forest of Fear
Cold Comfort
The Firemaker
Never Fear
The Dead Planet
You Scratch My Back
The Survivors
Double Talk
The Escape
Joker's Millions
The Ambush
Growing Pains
The Expedition
Mean Seasons
The Demon Within
The Ordeal
Over the Edge
The Rescue
Torch Song
The Edge of Destruction
Love is a Croc
The Brink of Disaster
The Roof of the World
The Singing Sands
Five Hundred Eyes
The Wall of Lies
Rider from Shang Tu
Mighty Kublai Khan
Assassin at Peking
The Sea of Death
The Velvet Web
The Screaming Jungle
The Snows of Terror
Sentence of Death
The Keys of Marinus
The Temple of Evil
The Warriors of Death
The Bride of Sacrifice
The Day of Darkness
Strangers in Space
The Unwilling Warriors
Hidden Danger
A Race Against Death
Kidnap
A Desperate Venture
A Land of Fear
Guests of Madame Guillotine
A Change of Identity
The Tyrant of France
A Bargain of Necessity
Prisoners of Conciergerie