| Title | Season Episode | Airdate | Stardate | Year | Rating | |
| Scorpion, Part 2 | 4 x 01 | 69 | 3 Sep 1997 | 51003.7 | 2374 |  |
| Year of Hell, Part 1 | 4 x 08 | 76 | 5 Nov 1997 | 51268.4 | 2374 | |
| Year of Hell, Part 2 | 4 x 09 | 77 | 12 Nov 1997 | 51425.4 | 2374 | |
| Message in a Bottle | 4 x 14 | 82 | 21 Jan 1998 | 51462 | 2374 | |
| Living Witness | 4 x 23 | 91 | 29 Apr 1998 | Unknown | 2374 | |
| Hope and Fear | 4 x 26 | 94 | 20 May 1998 | 51978.2 | 2374 | |
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