Classic Doctor Who: The First Doctor
Season 1 Episode 15 - The Keys of Marinus: The Keys of Marinus
The Doctor solves the murder mystery and finds the final missing key.
Subtitles: English
Starring:William Hartnell
Season 1
S01:E01 - The Daleks: The Dead Planet
The travellers venture out on to the surface of a new world.
S01:E02 - The Daleks: The Survivors
The Doctor, Ian and Susan discover that they have exposed to radiation.
S01:E03 - The Daleks: The Escape
Fearful of a Thal attack, the Daleks force Susan to trick the Thals.
S01:E04 - The Daleks: The Ambush
Pretending to be a Dalek, Ian finds that that he is trapped inside the casing.
S01:E05 - The Daleks: The Expedition
Ian and Barbara join a Thal expedition that will penetrate the Dalek city.
S01:E06 - The Daleks: The Ordeal
The Doctor and Susan are once again taken prisoner by the Daleks.
S01:E07 - The Daleks: The Rescue
The Thals and the time travellers attack the Daleks.
S01:E08 - The Edge of Destruction
The Doctor and his crew begin to act strangely after a mysterious explosion on the TARDIS.
S01:E09 - The Brink of Disaster
The time travellers are in grave danger as the TARDIS nears total disintegration.
S01:E10 - The Keys of Marinus: The Sea of Death
The TARDIS lands on a remote island, surrounded by a sea of acid and are set a task.
S01:E11 - The Keys of Marinus: The Velvet Web
In the city of Morphoton, the Doctor, Barbara, Ian and Susan are welcomed as guests.
S01:E12 - The Keys of Marinus: The Screaming Jungle
Ian and Barbara find a temple in the jungle. Inside is Darrius, keeper of one of the keys.
S01:E13 - The Keys of Marinus: The Snows of Terror
In a snowy wasteland, Vasor, an unscrupulous trapper, imprisons the travellers.
S01:E14 - The Keys of Marinus: Sentence of Death
Arriving in Millennius, Ian is put on trial for murder. The Doctor takes his case.
S01:E15 - The Keys of Marinus: The Keys of Marinus
The Doctor solves the murder mystery and finds the final missing key.
S01:E16 - The Aztecs: The Temple of Evil
When Barbara meets the Aztecs they mistake her for a reincarnation of the High Priest.
S01:E17 - The Aztecs: The Warriors of Death
Barbara's interference in Aztec traditions cast doubt over her supposed divinity.
S01:E18 - The Aztecs: The Bride of Sacrifice
Barbara's divine powers are challenged and she humiliates Tlotoxl.
S01:E19 - The Aztecs: The Day of Darkness
Can the Doctor and his companions escape before they are sacrificed to the Sun God?
S01:E20 - The Sensorites: Strangers in Space
The crew onboard a spaceship have been trapped in a state of permanent paralysis.
S01:E21
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S01:E22
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S01:E23
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S01:E24
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S01:E25
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