The TraitorSeason 1 : Ep. 32 (51:18)
The CondemnedSeason 1 : Ep. 31 (51:29)
The Secret of the LochSeason 1 : Ep. 30 (51:26)
The EnemiesSeason 1 : Ep. 29 (51:27)
The CreatureSeason 1 : Ep. 28 (51:18)| Season:Episode | Title | Runtime | Air Date | User Rating | Queue |
| Season 1 | |||||
| 32 | The Traitor | 51:18 | 04/19/1965 |  
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| 31 | The Condemned | 51:29 | 04/12/1965 | 
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| 30 | The Secret of the Loch | 51:26 | 04/05/1965 |
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| 29 | The Enemies | 51:27 | 03/29/1965 |
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| 28 | The Creature | 51:18 | 03/22/1965 |
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| 27 | The Exile | 51:26 | 03/15/1965 |
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| 26 | The Amphibians | 51:28 | 03/08/1965 |
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| 25 | Cradle of the Deep | 51:31 | 03/01/1965 |
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| 24 | The Saboteur | 51:15 | 02/22/1965 |
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| 23 | The Human Computer | 51:25 | 02/15/1965 |
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| 22 | The Buccaneer | 51:25 | 02/08/1965 |
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| 21 | The Indestructible Man | 51:28 | 02/01/1965 |
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| 20 | The Invaders | 51:08 | 01/25/1965 |
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| 19 | Doomsday | 51:29 | 01/18/1965 |
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| 18 | Mutiny | 51:28 | 01/11/1965 |
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| 17 | The Last Battle | 51:32 | 01/04/1965 |
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| 16 | Hail to the Chief | 51:18 | 12/28/1964 |
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| 15 | Long Live the King | 51:26 | 12/21/1964 |
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| 14 | The Ghost of Moby Dick | 51:24 | 12/14/1964 |
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| 13 | The Blizzard Makers | 51:25 | 12/07/1964 |
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| 12 | No Way Out | 51:13 | 11/30/1964 |
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| 11 | The Magnus Beam | 51:29 | 11/23/1964 |
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| 10 | Submarine Sunk Here | 51:29 | 11/16/1964 |
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| 9 | Hot Line | 51:20 | 11/09/1964 |
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| 8 | The Village Of Guilt | 51:26 | 11/02/1964 |
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| 7 | Turn Back The Clock | 51:26 | 10/26/1964 |
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| 6 | The Sky is Falling | 51:26 | 10/19/1964 |
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| 5 | The Price of Doom | 51:25 | 10/12/1964 |
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| 4 | The Mist Of Silence | 51:17 | 10/05/1964 |
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| 3 | The Fear Makers | 50:26 | 09/28/1964 |
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| 2 | The City Beneath the Sea | 50:26 | 09/21/1964 |
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| 1 | Eleven Days To Zero | 50:32 | 09/14/1964 |
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episodes
