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Doomwatch

Season 2 · Episode 5

By the Pricking of My Thumbs...

0.050mJanuary 18, 1971

The Doomwatch team investigates the myth about the XYY chromosome after a schoolboy is expelled for possessing it.

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Episode 1You Killed Toby Wren
Episode 2Invasion
Episode 3The Islanders
Episode 4No Room for Error
Episode 5By the Pricking of My Thumbs...
Episode 6The Iron Doctor
Episode 7Flight into Yesterday
Episode 8The Web of Fear
Episode 9In the Dark
Episode 10The Human Time Bomb
Episode 11The Inquest
Episode 12The Logicians
Episode 13Public Enemy