September 19, 1965 • 1h
The Seaview is on a joint mission with Russian scientists to salvage the remains of a Soviet undersea lab. While a scientist is be...Read more
September 26, 1965 • 1h
Nelson is injected with a radioactive material that makes him a walking time bomb. This episode marks the first appearance of the FS-1!
October 3, 1965 • 1h
Seaview comes to the rescue of newly discovered WWII survivors living in an underwater cave beneath a rumbling volcano.
October 17, 1965 • 1h
Cybernetic genius Tabor Ulrich creates a perfect mechanical duplicte of Admiral Nelson. His plot: to make the crew of the Seaview ...Read more
October 24, 1965 • 1h
Crane is caught up with a circle of spies as he tries to make his way back to Seaview with important missile defense data.
October 31, 1965 • 1h
Nelson works on finding an assassin before he can kill the new Secretary of State.
November 7, 1965 • 1h
While inspecting undersea bomb shelters with the President, aides attempt a power grab.
November 14, 1965 • 1h
Nelson and crew are invited to a marine scientist's undersea lab for a visit but there is giant sea life in the way.
November 21, 1965 • 1h
Defecting scientists create a proton bomb, but are killed by a foriegn power and the bomb is captured. A surviving scientist works...Read more
November 28, 1965 • 1h
Asian powers attempt to interfere with the American Space Program.
December 5, 1965 • 1h
A toy manufacturer is involved with kidnapping and shipping politicians and scientists to foreign powers.
December 12, 1965 • 1h
A missile defense platform-drone malfunctions and threatens to destroy the East Coast of the US.
December 19, 1965 • 1h
A space probe returns to earth and is recovered by Seaview...only to unleash an alien organism aboard.
December 26, 1965 • 1h
A submerged domed island is forced to the surface by its volcano and exposes a Jurassic-style world.
January 2, 1966 • 1h
A foreign power is salvaging sunken nuke missiles from the ocean floor to make themselves a superpower.
January 9, 1966 • 1h
Seaview rescues two men adrift at sea, only to discover they are escaped prisoners intent on not returning to prison. While they a...Read more
January 16, 1966 • 1h
Seaview encounters a sunken WWI sub...with someone still left aboard.
January 23, 1966 • 1h
Cruising for days under the ice, Seaview surfaces to find the sky is ablaze thanks to the Van Allen belt catching fire. Nelson rac...Read more
January 30, 1966 • 1h
A scientist and his secretary come aboard Seaview when their research vessel is sunk by a giant Portugese Man-Of-War. They want Ad...Read more
February 6, 1966 • 1h
Dr. Alex Holden is hunting a gigantic whale in which he has injected an experimental growth serum. It turns and destroys his boat,...Read more
February 13, 1966 • 1h
A 16th century pirate seemingly comes back from the grave to threaten Seaview.
February 20, 1966 • 1h
Things go wrong when Nelson and Crane test out a new automated system for Seaview.
February 27, 1966 • 1h
Captain Gantt, an ego-maniacal scientist, is in a nuclear sub testing a powerful new fuel. Due to his bungling, the sub crashes in...Read more
March 6, 1966 • 1h
With Admiral Nelson away, his old friend Admiral Park takes over Seaview's current mission. Dr. Borgman is conducting experiments,...Read more
March 13, 1966 • 1h
Drs. Paul Ward and Peter Omir have discovered a powerful new element -- Subterranium 116. This element can produce limitless pure ...Read more
March 20, 1966 • 1h
Captain Krueger returns to compel Nelson to shoot Crane. Once that is done, Krueger takes over Crane's body and searches out a hos...Read more