Kirk is forced to revisit a horrid incident from when he served aboard the USS Farragut while surveying Argus X.
| Air Date | 15 December 1967 |
| Production Number | 60347 |
| Stardate | 3619.17 |
| Gregorian Calendar Date | Friday, 25 January 2267 08:25:39 GMT Friday, 25 January 2267 10:25:12 GMT |
| Primary Arc | Kirk’s Adventures |
| Secondary Arc | Final Frontier |
| Tertiary Arc | n/a |
| See It or Skip It | Skip It… |
| Previously on Star Trek | Order | Next Time on Star Trek |
|---|---|---|
| Wolf in the Fold | Chronological | The Apple |
| The Deadly Years | Air Date | Wolf in the Fold |
| The Gamesters of Triskelion | Production | The Immunity Syndrome |
| Operation — Annihilate! | Primary Arc | A Private Little War |
| Operation — Annihilate! | Secondary Arc | The Apple |
| n/a | Tertiary Arc | n/a |
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