Seaview is under polar ice, trying to discover the cause of increased flooding around the world. Nelson finds out that Frost Men are in the process of melting the ice…

A lobster-like alien emerges from a capsule retrieved from the ocean floor. He claims that all he wants is one of Seaview’s nuclear rods to power his ship for the…

Poor Captain Crane. The things he had to go through. This time, he’s in the Flying Sub, when he receives a distress call from the Seaview. He comes back to…

“But that’s not the goal of a man — of a scientist!” Admiral Nelson At an experimental station in the Antarctic, the crew discovers a ‘tropical paradise’ — but most…

Naval ships have been disappearing, and Seaview is on a hunt for the undersea installation responsible. They find a sea-lab that is not only well-armed but surrounded by overgrown and…

The Seaview is en route to rendezvous with the fleet when Sharkey reports a missle fuel leak. Crane and Morton believe it’s worth returing to port to repair, however Nelson…

Seaview has been sent to the ocean floor by mysterious pressure impacts. Crane, Sharkey, and Kowalski go out in the Flying Sub to investigate. They, too, are sent to the…

The ghost of Blackbeard is alive and well, and he wants the Seaview and her crew. The pirate ‘drafts’ Kowalski, who makes a very convincing and quite blood-thirsty buccaneer. Nelson…

About the plot . . . Um . . . Well . . . Uh . . . Okay, here it is: You see, there are these twin leprechauns, one…

A man from the future sends two androids back in time to kidnap Nelson from Seaview in order to add him to a collection of other famous military figures abducted…

Seaview is on the lookout for an enemy sub and its underwater sub-pen. Sonar picks up a contact. The rogue sub fires at Seaview, which is saved only by virtue…

A scientist experimenting with plant life on a remote island has run into trouble. A shore party from Seaview arrives only in time to hear his dying warning that the…

finds herself suddenly out of touch with the rest of the world, in the wrong part of the ocean and encountering strange creatures. It seems she’s been thrown a million…

“There’s nothing to do here but to keep from disappearing.” Lt. Commander Morton Seaview is carrying a new missile, and Nelson has orders to deliver it to its launch site…

In an attempt to control the planet’s tides, Dr. Randolph Mason (a nut if ever there was one — he is part scientist, part make-up artist!) has invented a powerful…

Doctor Blanchard has created a device to control the actions of a white gorilla. Unfortunately, his assistant Leo Brock wants the fame that the inventor of such a device would…

The Seaview is being buffeted about by underwater explosions due to the eruption of an active volcano. Dr. Turner (Victor Jory) is aboard to stop the eruptions. However, his true…

The Seaview crew is being entertained by puppet cairactures of the Captain and Admiral, compliments of Professor Multiple. Multiple remains on-board when the sub departs, and his dolls soon come…

“Those who see the Flying Dutchman never, never reach the shore.” Investigating the loss of Navy ships, Nelson finds an ancient dagger in a cave on an uncharted island, and…

Aliens snatch a manned space probe launched from Seaview with Chip Morton aboard, and transport it at the speed of light to their observation post on the rocky, unstable surface…

A mysterious cloud is enveloping the Earth and causing massive Tsunami and other catastrophic environmental damage. Crane takes the flying sub in to find out the cause and is taken…

Admiral Nelson has been brainwashed. After getting a vital energy source, he attempts to kill Crane and the visiting Dr. Land in an undersea cave. He then returns to the…

While searching the deep for an enemy complex, the Seaview is rammed by another sub. The crew rushes to make repairs before the air runs out and a lurking monster…

While Nelson and Sharkey search by air for an uncharted island, Seaview brings aboard a gigantic egg from the bottom of the sea during a routine specimen collection. It later…

The Seaview is carrying Atlantanean statues in its missile room as a favor for the State Department. As they wait for Captain Crane to return, a midget clown emerges from…

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 diving mission and turned into a…

As the Seaview conducts a marine census, Captain Crane spots a mermaid. He brings her aboard and falls under her spell. A sea creature follows the mermaid and proceeds to…

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. The United States hopes that…

The Seaview takes on a skeleton crew and is being used to guide a new interstellar space probe. However, Chip Morton is taken over by an alien shadow man which…

While racing to help a foundering research vessel, the Seaview’s nuclear reactor goes critical. Admiral Nelson’s right hand is exposed to intense radiation as he fixes the problem, causing a…

The Seaview is called in to help track an artificially created life form, now loose in the Pacific. The creature, which is growing at a fantastic rate, has its own…

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 accidently put in suspended…

Arctic Listening Station XZ-5 receives a message from a voice from space (“”laser beeeeeam””). Professor Bergstrom, ignoring the advice of his assistant, activates their beam and brings the alien, living…

Faceless aliens invade Earth and try to take over an underwater atomic base. The leader takes the form of an old, deseased friend of Admiral Nelson in order to convice…

A ghostly ancestor of Admiral Nelson visits him aboard Seaview.

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

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

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

Captain Crane rescues a diver from a wrecked atomic sub. He turns out to be Kowalski’s brother, Stan, a Navy diving specialist. When the Seaview needs his help in getting…

Bainbridge Wells is filming a segment of his “Science On The Move” television series on a small island off the coast of Chile. A sea creature comes ashore and kills…