Join the crew of the Seaview aboard their super high-tech submarine, where no mission is too dangerous and no threat is too deadly, be it enemy agents, mad scientists, deadly sea creatures, or impending nuclear disaster.
Where to watch
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Amazon Video
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Fandango At Home
see all options Availability data: JustWatch
- Seasons
- 4
- Episodes aired
- 110
- Latest aired
- S04E26
- Total runtime
- 4d 14h
Timeline when each season aired
- Season 1 September 1964 – April 1965 32 episodes
- Season 2 September 1965 – March 1966 26 episodes
- Season 3 September 1966 – March 1967 26 episodes
- Season 4 September 1967 – March 1968 26 episodes
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S02E01 Jonah and the Whale
September 19 · 60min find the promo
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The Seaview is on a joint mission with Russian scientists to salvage the remains of a Soviet undersea lab. While a scientist is being lowered in the diving bell, a giant whale arrives and rams the bell. The glass is shattered, killing him. Nelson and the remaining Russian scientist, Katya Markova, go on a second dive. The whale reappears, this time swallowing the diving bell whole! Now it's a race against thime as Captain Crane and the crew of the Seaview find the diving bell and get it out before Nelson and Markova run out of oxygen!
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S02E02 Time Bomb
September 26 · 60min find the promo
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Nelson is injected with a radioactive material that makes him a walking time bomb. This episode marks the first appearance of the FS-1!
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S02E03 ...And Five of Us Are Left
October 3 · 60min find the promo
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Seaview comes to the rescue of newly discovered WWII survivors living in an underwater cave beneath a rumbling volcano.
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S02E04 The Cyborg
October 17 · 60min find the promo
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Cybernetic genius Tabor Ulrich creates a perfect mechanical duplicte of Admiral Nelson. His plot: to make the crew of the Seaview they are fighting World War Three. In doing so, the sub will launch nuclear missles at the China, Russia and the USA. After the holocaust, Ulrich plans to take over and usher in "the age of the cyborg".
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S02E05 Escape from Venice
October 24 · 60min find the promo
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Crane is caught up with a circle of spies as he tries to make his way back to Seaview with important missile defense data.
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S02E06 The Left-Handed Man
October 31 · 60min find the promo
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Nelson works on finding an assassin before he can kill the new Secretary of State.
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S02E07 The Deadliest Game
November 7 · 60min find the promo
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While inspecting undersea bomb shelters with the President, aides attempt a power grab.
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S02E08 Leviathan
November 14 · 60min find the promo
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Nelson and crew are invited to a marine scientist's undersea lab for a visit but there is giant sea life in the way.
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S02E09 The Peacemaker
November 21 · 60min find the promo
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Defecting scientists create a proton bomb, but are killed by a foriegn power and the bomb is captured. A surviving scientist works at disarming the bomb...with other plans in mind.
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S02E10 The Silent Saboteurs
November 28 · 60min find the promo
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Asian powers attempt to interfere with the American Space Program.
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S02E11 The X Factor
December 5 · 60min find the promo
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A toy manufacturer is involved with kidnapping and shipping politicians and scientists to foreign powers.
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S02E12 The Machines Strike Back
December 12 · 60min find the promo
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A missile defense platform-drone malfunctions and threatens to destroy the East Coast of the US.
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S02E13 The Monster from Outer Space
December 19 · 60min find the promo
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A space probe returns to earth and is recovered by Seaview...only to unleash an alien organism aboard.
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S02E14 Terror on Dinosaur Island
December 26 · 60min find the promo
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A submerged domed island is forced to the surface by its volcano and exposes a Jurassic-style world.
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S02E15 Killers of the Deep
January 2 · 60min find the promo
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A foreign power is salvaging sunken nuke missiles from the ocean floor to make themselves a superpower.
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S02E16 Deadly Creature Below!
January 9 · 60min find the promo
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Seaview rescues two men adrift at sea, only to discover they are escaped prisoners intent on not returning to prison. While they attempt to hijack the sub, an undersea creature surfaces to menace the Seaview.
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S02E17 The Phantom Strikes
January 16 · 60min find the promo
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Seaview encounters a sunken WWI sub...with someone still left aboard.
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S02E18 The Sky's On Fire
January 23 · 60min find the promo
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Cruising for days under the ice, Seaview surfaces to find the sky is ablaze thanks to the Van Allen belt catching fire. Nelson races to Washington to confer with fellow scientists and hatches a plan to detonate a nuclear device into the atmosphere and extinguish the fire. Weber, a Fellow scientist, feels they should do nothing and allow the fire to burn out. Nelson disagrees and takes Weber and two others aboard Seaview to decide the course of action as the sub races to the firing point. However, Weber is determined to stop Nelson and is willing to kill to do it!
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S02E19 Graveyard of Fear
January 30 · 60min find the promo
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A scientist and his secretary come aboard Seaview when their research vessel is sunk by a giant Portugese Man-Of-War. They want Admiral Nelson to return to the scene, but won't tell him the real reason.
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S02E20 The Shape of Doom
February 6 · 60min find the promo
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Dr. Alex Holden is hunting a gigantic whale in which he has injected an experimental growth serum. It turns and destroys his boat, killing his crew. He is rescued by Seaview, which was on en route to plant a nuclear device to blast an undersea channel Holden obsesses over getting his swallowed equipment from the whale when it turns and comes at the sub, swallowing the bomb as it is being lowered! Nelson cannot detonate the bomb, as the president's carrier is in the area. The nearly insane Holden steals Nelson's remote detonating device and threatens to blow up the whale if he's not permitted to get samples of the whale.
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S02E21 Dead Men's Doubloons
February 13 · 60min find the promo
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A 16th century pirate seemingly comes back from the grave to threaten Seaview.
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S02E22 The Death Ship
February 20 · 60min find the promo
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Things go wrong when Nelson and Crane test out a new automated system for Seaview.
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S02E23 The Monster's Web
February 27 · 60min find the promo
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Captain Gantt, an ego-maniacal scientist, is in a nuclear sub testing a powerful new fuel. Due to his bungling, the sub crashes into a giant web and is attacked by a monsterous sea spider. The Seaview investigates and rushes to retrieve the remaining fuel canisters before the enormous underwater pressure collapses the test sub abd detonates the fuel - an explosion which would kill millions!
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S02E24 The Menfish
March 6 · 60min find the promo
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With Admiral Nelson away, his old friend Admiral Park takes over Seaview's current mission. Dr. Borgman is conducting experiments, and Park suspects he is up to no good.
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S02E25 The Mechanical Man
March 13 · 60min find the promo
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Drs. Paul Ward and Peter Omir have discovered a powerful new element -- Subterranium 116. This element can produce limitless pure energy, but Omir may have another agenda.
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S02E26 The Return of the Phantom
March 20 · 60min find the promo
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Captain Krueger returns to compel Nelson to shoot Crane. Once that is done, Krueger takes over Crane's body and searches out a host for Lani, Krueger's dead lover, so the two can be reunited. Can Admiral Nelson save his friend and end the plans of the evil Captain forever?