Season 1 (1971)
5.42 avg 26 episodes 6.0 → 4.5 30 min avg
| # | Title | Rating | Votes |
|---|---|---|---|
| 1 | Ten Minutes to Eternity | 6.0 | 7 |
| 2 | Deepest of the Deep | 5.9 | 7 |
| 3 | Trial and Terror | 5.2 | 6 |
| 4 | Kiss of Life | 5.2 | 6 |
| 5 | Underwater Getaway | 5.3 | 6 |
| 6 | The Phantom Horse | 5.2 | 6 |
| 7 | The Bearer of Light | 6.0 | 6 |
| 8 | The Oil Rig | 6.2 | 6 |
| 9 | Pipeline for Danger | 5.7 | 6 |
| 10 | Breaking Point | 5.3 | 6 |
| 11 | The 65th Minute | 5.5 | 6 |
| 12 | Blade of Fire | 5.2 | 6 |
| 13 | Tekite #1 | 5.7 | 6 |
| 14 | 49 Sharks | 4.8 | 6 |
| 15 | The Sea Is Boiling Hot | 4.8 | 6 |
| 16 | Death Tide | 5.3 | 6 |
| 17 | Sea Serpent | 5.7 | 6 |
| 18 | The Sniper | 6.0 | 7 |
| 19 | The Steel Fish | 5.0 | 6 |
| 20 | Black Diamonds | 4.7 | 6 |
| 21 | Infrared | 6.3 | 7 |
| 22 | Nuclear Black Market | 5.7 | 6 |
| 23 | The Black Hole | 5.3 | 6 |
| 24 | Trapped Part 1 | 5.5 | 6 |
| 25 | Trapped Part 2 | 5.0 | 6 |
| 26 | The Net | 4.5 | 6 |
