Season 3 (1966)

Monster from the Inferno
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September 18, 1966 • 1h

Seaview is investigating a thousand-mile wide communication blackout. The source of this is a large alien brain found under the se...Read more

Werewolf
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September 25, 1966 • 1h

Two scientists examining a radioactive volcano are attacked by a wolf. One dies, and the survivor is infected by a virus that caus...Read more

The Day the World Ended
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October 2, 1966 • 1h

As Admiral Nelson demonstrates a new tracking device for a visiting U.S. senator, it seems to show that Seaview is the only life left on earth.

Night of Terror
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October 9, 1966 • 1h

Captain Crane searches for a lost diving bell containing Admiral Nelson, Chief Sharkey, and Dr. Sprague.

The Terrible Toys
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October 16, 1966 • 1h

Seaview is investigating a UFO. Along the way, they pick up a shipwrecked old man -- almost always a bad omen when our gallant cre...Read more

Day of Evil
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October 23, 1966 • 1h

A UFO crashes and an alien assumes the form of Admiral Nelson.

Deadly Waters
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October 30, 1966 • 1h

Captain Crane rescues a diver from a wrecked atomic sub. He turns out to be Kowalski's brother, Stan, a Navy diving specialist. Wh...Read more

Thing From Inner Space
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November 6, 1966 • 1h

Bainbridge Wells is filming a segment of his "Science On The Move" television series on a small island off the coast of Chile. A s...Read more

The Death Watch
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November 13, 1966 • 1h

Admiral Nelson and Captain Crane are involved in a mind-control experiment, with Chief Sharkey caught in the middle.

Deadly Invasion
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November 20, 1966 • 1h

Faceless aliens invade Earth and try to take over an underwater atomic base. The leader takes the form of an old, deseased friend ...Read more

The Haunted Submarine
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November 27, 1966 • 1h

A ghostly ancestor of Admiral Nelson visits him aboard Seaview.

The Plant Man
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December 4, 1966 • 1h

Twin scientists - one good, one evil - come aboard Seaview. The evil twin is out to create a radioactive "plant man."

The Lost Bomb
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December 11, 1966 • 1h

Seaview and an enemy sub battle to recover a superbomb from the ocean floor.

The Brand Of The Beast
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December 18, 1966 • 1h

While racing to help a foundering research vessel, the Seaview's nuclear reactor goes critical. Admiral Nelson's right hand is exp...Read more

The Creature
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January 1, 1967 • 1h

The Seaview is called in to help track an artificially created life form, now loose in the Pacific. The creature, which is growing...Read more

Death from the Past
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January 8, 1967 • 1h

As World War II draws to a close, a secret underwater Nazi base is damaged during a sea battle. A Nazi scientist and his aide are...Read more

The Heat Monster
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January 15, 1967 • 1h

Arctic Listening Station XZ-5 receives a message from a voice from space (""laser beeeeeam""). Professor Bergstrom, ignoring the a...Read more

The Fossil Men
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January 22, 1967 • 1h

The crew of a lost submarine returns as rock men to menace the Seaview. A new man, Kowalski's friend Richards, is captured on a di...Read more

The Mermaid
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January 29, 1967 • 1h

As the Seaview conducts a marine census, Captain Crane spots a mermaid. He brings her aboard and falls under her spell. A sea crea...Read more

The Mummy
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February 5, 1967 • 1h

The Seaview is on a top secret mission to transport a 3,000 year old sarcophagus from New York to a country in the Middle East. Th...Read more

Shadowman
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February 12, 1967 • 1h

The Seaview takes on a skeleton crew and is being used to guide a new interstellar space probe. However, Chip Morton is taken over...Read more

No Escape from Death
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February 19, 1967 • 1h

While searching the deep for an enemy complex, the Seaview is rammed by another sub. The crew rushes to make repairs before the ai...Read more

Doomsday Island
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February 26, 1967 • 1h

While Nelson and Sharkey search by air for an uncharted island, Seaview brings aboard a gigantic egg from the bottom of the sea du...Read more

The Wax Men
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March 5, 1967 • 1h

The Seaview is carrying Atlantanean statues in its missile room as a favor for the State Department. As they wait for Captain Cran...Read more

Deadly Cloud
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March 12, 1967 • 1h

A mysterious cloud is enveloping the Earth and causing massive Tsunami and other catastrophic environmental damage. Crane takes th...Read more

Destroy Seaview!
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March 19, 1967 • 1h

Admiral Nelson has been brainwashed. After getting a vital energy source, he attempts to kill Crane and the visiting Dr. Land in a...Read more