Mission logs
Episodes
| Series | Season | # | Title | Air date |
|---|---|---|---|---|
| TOS | 2 | 11 | Friday's Child | December 1, 1967 |
| TOS | 2 | 12 | The Deadly Years | December 8, 1967 |
| TOS | 2 | 13 | Obsession | December 15, 1967 |
| TOS | 2 | 14 | Wolf in the Fold | December 22, 1967 |
| TOS | 2 | 15 | The Trouble With Tribbles | December 29, 1967 |
| TOS | 2 | 16 | The Gamesters of Triskelion | January 5, 1968 |
| TOS | 2 | 17 | A Piece of the Action | January 12, 1968 |
| TOS | 2 | 18 | The Immunity Syndrome | January 19, 1968 |
| TOS | 2 | 19 | A Private Little War | February 2, 1968 |
| TOS | 2 | 20 | Return to Tomorrow | February 9, 1968 |