Doomwatch
Season 2, Episode 5: By the Pricking of My Thumbs...
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The Doomwatch team investigates the myth about the XYY chromosome after a schoolboy is expelled for possessing it.
All Episodes - Season 2
Episode 1
You Killed Toby Wren
Episode 2
Invasion
Episode 3
The Islanders
Episode 4
No Room for Error
Episode 5
By the Pricking of My Thumbs...
Episode 6
The Iron Doctor
Episode 7
Flight into Yesterday
Episode 8
The Web of Fear
Episode 9
In the Dark
Episode 10
The Human Time Bomb
Episode 11
The Inquest
Episode 12
The Logicians
Episode 13
Public Enemy