Season 2

Episode 1 · 50 min

Amok Time

Episode 2 · 51 min

Who Mourns for Adonais?

Episode 3 · 50 min

The Changeling

Episode 4 · 50 min

Mirror, Mirror

Episode 5 · 50 min

The Apple

Episode 6 · 51 min

The Doomsday Machine

Episode 7 · 50 min

Catspaw

Episode 8 · 51 min

I, Mudd

Episode 9 · 50 min

Metamorphosis

Episode 10 · 50 min

Journey to Babel

Episode 11 · 50 min

Friday's Child

Episode 12 · 50 min

The Deadly Years

Episode 13 · 50 min

Obsession

Episode 14 · 51 min

Wolf in the Fold

Episode 15 · 50 min

The Trouble With Tribbles

Episode 16 · 50 min

The Gamesters of Triskelion

Episode 17 · 50 min

A Piece of the Action

Episode 18 · 50 min

The Immunity Syndrome

Episode 19 · 51 min

A Private Little War

Episode 20 · 50 min

Return to Tomorrow

Episode 21 · 50 min

Patterns of Force

Episode 22 · 50 min

By Any Other Name

Episode 23 · 50 min

The Omega Glory

Episode 24 · 50 min

The Ultimate Computer

Episode 25 · 50 min

Bread and Circuses

Episode 26 · 50 min

Assignment: Earth