| Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S01E01 | Deepest of the Deep |
September 22, 1971
NBC
|
25 | |
| S01E02 | Trial and Terror |
September 29, 1971
NBC
|
25 | |
| S01E03 | Kiss of Life |
October 6, 1971
NBC
|
25 | |
| S01E04 | Underwater Getaway |
October 20, 1971
NBC
|
25 | |
| S01E05 | The Phantom Horse |
October 27, 1971
NBC
|
25 | |
| S01E06 | Bearer of Light |
November 3, 1971
NBC
|
25 | |
| S01E07 | Oil Rig |
November 10, 1971
NBC
|
25 | |
| S01E08 | Pipeline to Danger |
November 17, 1971
NBC
|
25 | |
| S01E09 | Breaking Point |
November 24, 1974
NBC
|
25 | |
| S01E10 | The 65th Minute |
December 1, 1971
NBC
|
25 | |
| S01E11 | Blade of Fire |
December 8, 1971
NBC
|
25 | |
| S01E12 | Tektite #1 |
December 15, 1971
NBC
|
25 | |
| S01E13 | 49 Sharks |
December 22, 1971
NBC
|
25 | |
| S01E14 | The Sea is Boiling Hot |
December 29, 1971
NBC
|
25 | |
| S01E15 | Death Tide |
January 5, 1972
NBC
|
25 | |
| S01E16 | Sea Serpent |
January 12, 1972
NBC
|
25 | |
| S01E17 | The Sniper |
January 19, 1972
NBC
|
25 | |
| S01E18 | The Steel Fish |
April 21, 1972
NBC
|
25 | |
| S01E19 | Black Diamonds |
April 28, 1972
NBC
|
25 | |
| S01E20 | Infrared |
May 5, 1972
NBC
|
25 | |
| S01E21 | Nuclear Black Market |
May 12, 1972
NBC
|
25 | |
| S01E22 | The Black Hole |
May 19, 1972
NBC
|
25 | |
| S01E23 | Trapped, Part One |
May 26, 1972
NBC
|
25 | |
| S01E24 | Trapped, Part Two |
June 2, 1972
NBC
|
25 | |
| S01E25 | The Net |
June 9, 1972
NBC
|
25 | |
| S01E26 |
Ten Minutes of Eternity
series finale
|
June 16, 1972
NBC
|
25 |
No artwork of this type.
No artwork of this type.
No artwork of this type.