| Title | Season Episode | Airdate | Stardate | Year | Rating | |
| The Pirates of Orion | 2 x 17 | 17 | 7 Sep 1974 | 6334.1 | 2269 |  |
| Bem | 2 x 18 | 18 | 14 Sep 1974 | 7403.6 | 2269 | |
| The Practical Joker | 2 x 19 | 19 | 21 Sep 1974 | 3183.3 | 2267 | |
| How Sharper Than a Serpent's Tooth | 2 x 21 | 21 | 5 Oct 1974 | 6063.4 | 2269 | |
| The Counter-Clock Incident | 2 x 22 | 22 | 12 Oct 1974 | 6770.3 | 2269 | |
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