Series Guide


Season One

A troubled mental patient named David Haller discovers that his shocking visions may be the result of him being a powerful mutant.

Legion (Season Two)

Season Two

All bets are off and new alliances are forged as David determines to hunt down the evil Shadow King.

Legion (Season 3)

Season Three

At odds with everyone he once considered a friend, David enlists the help of a young mutant named "Switch" -- whose secret ability is key to his plans to repair the damaged he caused.

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Show Status

CONCLUDED. Legion ran for three seasons on FX in the United States.