Season 4
Artwork
| # | Image | Title | Aired |
|---|---|---|---|
| 1 |  | An Exercise in Fatality | Sep 15, 1974 |
| 2 |  | Negative Reaction | Oct 15, 1974 |
| 3 |  | By Dawn's Early Light | Oct 27, 1974 |
| 4 |  | Troubled Waters | Feb 9, 1975 |
| 5 |  | Playback | Mar 2, 1975 |
| 6 |  | A Deadly State of Mind | Apr 27, 1975 |
| # | Image | Title | Aired |
|---|---|---|---|
| 1 | | An Exercise in Fatality | Sep 15, 1974 |
| 2 | | Negative Reaction | Oct 15, 1974 |
| 3 | | By Dawn's Early Light | Oct 27, 1974 |
| 4 | | Troubled Waters | Feb 9, 1975 |
| 5 | | Playback | Mar 2, 1975 |
| 6 | | A Deadly State of Mind | Apr 27, 1975 |