Season guide

Legion: Season 1

8 episodes Premiered Feb 8, 2017 Updated Jul 24, 2026

Legion is a television series that premiered in 2017. The show is centered around David Haller, a young man who is experiencing unsettling visions and is trying to piece together his fragmented memories. He begins to realize that he may possess special powers. The series explores themes of identity, mental health, and the complexities of the human mind. The show features a blend of action, adventure, science fiction,

Season overview

Sources & verificationLegion (TV Series 2017–2019) - IMDb Legion — The Movie Database (TMDB)

Season 1 Episodes

Episode Guide

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Season 1: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

38%

63%

Mytharc (3): Crucial lore & season climaxes

Core (5): Character development & subplots

Side Quest (0): Standalone / filler

S1·E1 Mytharc

Chapter 1

Feb 8, 2017 · 70 min

David considers whether the voices he hears might be real.

S1·E2 Core

Chapter 2

Feb 15, 2017 · 49 min

David reflects on his past with the help of new friends.

S1·E3 Core

Chapter 3

Feb 22, 2017 · 46 min

A threat looms as David searches for answers.

S1·E4 Core

Chapter 4

Mar 1, 2017 · 57 min

David faces trouble as his friends search for answers.

S1·E5 Core

Chapter 5

Mar 8, 2017 · 54 min

David faces a new threat.

S1·E6 Core

Chapter 6

Mar 15, 2017 · 52 min

David goes back to where it all started.

S1·E7 Mytharc

Chapter 7

Mar 22, 2017 · 46 min

David tries to find a way out of his predicament.

S1·E8 Mytharc

Chapter 8

Mar 29, 2017 · 49 min

David faces his biggest challenge yet.