Levi is introduced in Attack on Titan in Episode 9 of Season 1, titled “Whereabouts of His Left Arm: The Struggle for Trost, Part 5.”

Quick Scoop

He appears before that in the broader story setup, but Episode 9 is the moment most viewers recognize as his real on-screen introduction.

Episode Context

  • He is revealed as Captain Levi of the Survey Corps.
  • His entrance stands out because he immediately shows off his skill by cutting down Titans with ease.
  • Some fan pages and articles loosely describe his first appearance differently, but the most consistent episode reference is Episode 9.

Bottom line

If you’re asking when Levi is first introduced in the anime, the answer is Season 1, Episode 9.