Catspaw | Metamorphosis | Friday's Child | Who Mourns for Adonais? | Amok Time | The Doomsday Machine | Wolf in the Fold | The Changeling | The Apple | Mirror, Mirror | The Deadly Years | I, Mudd | The Trouble with Tribbles | Bread and Circuses | Journey to Babel | A Private Little War | The Gamesters of Triskelion | Obsession | The Immunity Syndrome | A Piece of the Action | By Any Other Name | Return to Tomorrow | Patterns of Force | The Ultimate Computer | The Omega Glory | Assignment: Earth