Series Guide

2017
Season One
A troubled mental patient named David Haller discovers that his shocking visions may be the result of him being a powerful mutant.

2018
Season Two
All bets are off and new alliances are forged as David determines to hunt down the evil Shadow King.

2019
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.
Show Status
CONCLUDED. Legion ran for three seasons on FX in the United States.