Seasons & Episodes
Eleven Days to Zero
A gigantic tidal wave will destroy much of the civilized world, but Admiral Harriman Nelson has a plan to stop it -- Sea
The City Beneath the Sea
While investigating the disappearance of research ships in the Aegean, the Seaview is damaged by a bomb. Captain Crane g
The Fear-Makers
After Seaview's sister ship, Polidor, is lost on an experimental deep dive, Seaview continues with the tests. Unknown to
The Mist Of Silence
On a rendezvous mission, Crane and several crewmen are drugged into unconsciousness on a deserted yacht. Waking up in a
The Price of Doom
A husband and wife Antarctic research team is killed by an experiment on plankton gone wild. Seaview arrives to investig
The Sky is Falling
An alien spaceship lands in the ocean, and Seaview is sent to investigate. Although Seaview is powerless in the vicinity
Turn Back the Clock
A lush, tropical, verdant paradise in the South Pole? Living dinosaurs? Such fanciful ideas must surely be the ravings o
The Village of Guilt
A sea monster kills three villagers in a Norwegian fjord; however, one man survives. Seaview arrives to investigate. Nel
Hot Line
A Soviet satellite has crashed into the sea and its nuclear reactor must be disarmed before it causes a disaster. Two So
Submarine Sunk Here
Damaged by an explosion from an old mine field, Seaview takes a dive to the ocean floor. Listing dangerously, running ou
The Magnus Beam
A mysterious weapon is destroying American U2s. The Seaview's mission is to find the weapon and destroy it. Captain Cran
No Way Out
Nelson and Crane go undercover and risk their lives in order to bring a Communist defector back to the United States. Bu
The Blizzard Makers
In blizzard-wracked Florida, Nelson contacts a meteorologist who may be able to help explain the strange weather conditi
The Ghost of Moby Dick
An old friend of Nelson's comes aboard Seaview to continue his research into the giant whale that destroyed his ship, cr
Long Live the King
When the King of a small but friendly nation is assassinated, Seaview is assigned to take the young Crown Prince back ho
Hail to the Chief
Injured in a fall, the President of the United States is in desperate need of surgery -- and the operation must be kept
The Last Battle
Admiral Nelson is kidnapped from a plane during mid-flight and held on a remote island by Nazis who plan to conquer the
Mutiny
After Nelson's experimental submarine is attacked by a giant jellyfish, tension mounts aboard the Seaview as Nelson exhi
Doomsday
When a mass missile launching by a foreign power sets the U.S. on nuclear alert, the Seaview goes into a fail-safe maneu
The Invaders
An undersea earthquake exhumes hundreds of strange metallic capsules, and a powerful humanoid creature who could destroy
The Indestructible Man
After returning from a mission on deep space, a lifelike robot is brought aboard the Seaview, but the crew soon discover
The Buccaneer
A mad art connoisseur seizes control of the Seaview and plans to pirate Leonardo da Vinci's Mona Lisa from a French Ship
The Human Computer
A newly installed super-computer is tested on the Seaview...but the enemy has other plans.
The Saboteur
Crane is brainwashed by enemy agents, and his new mission is to deactivate certain strategic undersea missiles and to as
Cradle of the Deep
A strange experiment to speed up evolution goes horribly awry, and an enormous protoplasm monster threatens the lives of
The Amphibians
The cre of the Seaview is called to investigate an undersea laboratory where scientists are surgically transforming huma
The Exile
Nelson is stranded aboard a life raft with the ex-premier of a hostile foreign power who carries vital information on a
The Creature
The crew is joined by Captain Adams, the sole survivor of an ill-fated missile launch, in search of the mysterious force
The Enemies
Nelson and Crane hear about the destruction of the submarine Angler. When they read the captain's log and hear the tapes
The Secret of the Loch
The Seaview travels to Scotland via a secret, underground conduit to investigate the mystery of the legendary Loch Ness
The Condemned
Nelson and Crane are dismayed when an egotistical, publicity-seeking scientist is given command of the Seaview to test a
The Traitor
Nelson's sister is abducted by enemy agents who demand top-secret information as ransom, but will Nelson betray his coun
Jonah and the Whale
The Seaview is on a joint mission with Russian scientists to salvage the remains of a Soviet undersea lab. While a scien
Time Bomb
Nelson is injected with a radioactive material that makes him a walking time bomb. This episode marks the first appeara
...And Five of Us Are Left
Seaview comes to the rescue of newly discovered WWII survivors living in an underwater cave beneath a rumbling volcano.
The Cyborg
Cybernetic genius Tabor Ulrich creates a perfect mechanical duplicte of Admiral Nelson. His plot: to make the crew of th
Escape from Venice
Crane is caught up with a circle of spies as he tries to make his way back to Seaview with important missile defense dat
The Left-Handed Man
Nelson works on finding an assassin before he can kill the new Secretary of State.
The Deadliest Game
While inspecting undersea bomb shelters with the President, aides attempt a power grab.
Leviathan
Nelson and crew are invited to a marine scientist's undersea lab for a visit but there is giant sea life in the way.
The Peacemaker
Defecting scientists create a proton bomb, but are killed by a foriegn power and the bomb is captured. A surviving scien
The Silent Saboteurs
Asian powers attempt to interfere with the American Space Program.
The X Factor
A toy manufacturer is involved with kidnapping and shipping politicians and scientists to foreign powers.
The Machines Strike Back
A missile defense platform-drone malfunctions and threatens to destroy the East Coast of the US.
The Monster from Outer Space
A space probe returns to earth and is recovered by Seaview...only to unleash an alien organism aboard.
Terror on Dinosaur Island
A submerged domed island is forced to the surface by its volcano and exposes a Jurassic-style world.
Killers of the Deep
A foreign power is salvaging sunken nuke missiles from the ocean floor to make themselves a superpower.
Deadly Creature Below!
Seaview rescues two men adrift at sea, only to discover they are escaped prisoners intent on not returning to prison. Wh
The Phantom Strikes
Seaview encounters a sunken WWI sub...with someone still left aboard.
The Sky's On Fire
Cruising for days under the ice, Seaview surfaces to find the sky is ablaze thanks to the Van Allen belt catching fire.
Graveyard of Fear
A scientist and his secretary come aboard Seaview when their research vessel is sunk by a giant Portugese Man-Of-War. Th
The Shape of Doom
Dr. Alex Holden is hunting a gigantic whale in which he has injected an experimental growth serum. It turns and destroys
Dead Men's Doubloons
A 16th century pirate seemingly comes back from the grave to threaten Seaview.
The Death Ship
Things go wrong when Nelson and Crane test out a new automated system for Seaview.
The Monster's Web
Captain Gantt, an ego-maniacal scientist, is in a nuclear sub testing a powerful new fuel. Due to his bungling, the sub
The Menfish
With Admiral Nelson away, his old friend Admiral Park takes over Seaview's current mission. Dr. Borgman is conducting ex
The Mechanical Man
Drs. Paul Ward and Peter Omir have discovered a powerful new element -- Subterranium 116. This element can produce limit
The Return of the Phantom
Captain Krueger returns to compel Nelson to shoot Crane. Once that is done, Krueger takes over Crane's body and searches
Monster from the Inferno
Seaview is investigating a thousand-mile wide communication blackout. The source of this is a large alien brain found un
Werewolf
Two scientists examining a radioactive volcano are attacked by a wolf. One dies, and the survivor is infected by a virus
The Day the World Ended
As Admiral Nelson demonstrates a new tracking device for a visiting U.S. senator, it seems to show that Seaview is the o
Night of Terror
Captain Crane searches for a lost diving bell containing Admiral Nelson, Chief Sharkey, and Dr. Sprague.
The Terrible Toys
Seaview is investigating a UFO. Along the way, they pick up a shipwrecked old man -- almost always a bad omen when our g
Day of Evil
A UFO crashes and an alien assumes the form of Admiral Nelson.
Deadly Waters
Captain Crane rescues a diver from a wrecked atomic sub. He turns out to be Kowalski's brother, Stan, a Navy diving spec
Thing From Inner Space
Bainbridge Wells is filming a segment of his "Science On The Move" television series on a small island off the coast of
The Death Watch
Admiral Nelson and Captain Crane are involved in a mind-control experiment, with Chief Sharkey caught in the middle.
Deadly Invasion
Faceless aliens invade Earth and try to take over an underwater atomic base. The leader takes the form of an old, deseas
The Haunted Submarine
A ghostly ancestor of Admiral Nelson visits him aboard Seaview.
The Plant Man
Twin scientists - one good, one evil - come aboard Seaview. The evil twin is out to create a radioactive "plant man."
The Lost Bomb
Seaview and an enemy sub battle to recover a superbomb from the ocean floor.
The Brand Of The Beast
While racing to help a foundering research vessel, the Seaview's nuclear reactor goes critical. Admiral Nelson's right h
The Creature
The Seaview is called in to help track an artificially created life form, now loose in the Pacific. The creature, which
Death from the Past
As World War II draws to a close, a secret underwater Nazi base is damaged during a sea battle. A Nazi scientist and hi
The Heat Monster
Arctic Listening Station XZ-5 receives a message from a voice from space (""laser beeeeeam""). Professor Bergstrom, igno
The Fossil Men
The crew of a lost submarine returns as rock men to menace the Seaview. A new man, Kowalski's friend Richards, is captur
The Mermaid
As the Seaview conducts a marine census, Captain Crane spots a mermaid. He brings her aboard and falls under her spell.
The Mummy
The Seaview is on a top secret mission to transport a 3,000 year old sarcophagus from New York to a country in the Middl
Shadowman
The Seaview takes on a skeleton crew and is being used to guide a new interstellar space probe. However, Chip Morton is
No Escape from Death
While searching the deep for an enemy complex, the Seaview is rammed by another sub. The crew rushes to make repairs bef
Doomsday Island
While Nelson and Sharkey search by air for an uncharted island, Seaview brings aboard a gigantic egg from the bottom of
The Wax Men
The Seaview is carrying Atlantanean statues in its missile room as a favor for the State Department. As they wait for Ca
Deadly Cloud
A mysterious cloud is enveloping the Earth and causing massive Tsunami and other catastrophic environmental damage. Cran
Destroy Seaview!
Admiral Nelson has been brainwashed. After getting a vital energy source, he attempts to kill Crane and the visiting Dr.
Fires of Death
The Seaview is being buffeted about by underwater explosions due to the eruption of an active volcano. Dr. Turner (Victo
The Deadly Dolls
The Seaview crew is being entertained by puppet cairactures of the Captain and Admiral, compliments of Professor Multipl
Cave of the Dead
"Those who see the Flying Dutchman never, never reach the shore." Investigating the loss of Navy ships, Nelson finds an
Journey with Fear
Aliens snatch a manned space probe launched from Seaview with Chip Morton aboard, and transport it at the speed of light
Sealed Orders
"There's nothing to do here but to keep from disappearing." Lt. Commander Morton Seaview is carrying a new missile, and
Man of Many Faces
In an attempt to control the planet's tides, Dr. Randolph Mason (a nut if ever there was one -- he is part scientist, pa
Fatal Cargo
Doctor Blanchard has created a device to control the actions of a white gorilla. Unfortunately, his assistant Leo Brock
Time Lock
A man from the future sends two androids back in time to kidnap Nelson from Seaview in order to add him to a collection
Rescue
Seaview is on the lookout for an enemy sub and its underwater sub-pen. Sonar picks up a contact. The rogue sub fires at
Terror
A scientist experimenting with plant life on a remote island has run into trouble. A shore party from Seaview arrives on
A Time to Die
finds herself suddenly out of touch with the rest of the world, in the wrong part of the ocean and encountering strange
Blow Up
The Seaview is en route to rendezvous with the fleet when Sharkey reports a missle fuel leak. Crane and Morton believe i
Deadly Amphibians
Seaview has been sent to the ocean floor by mysterious pressure impacts. Crane, Sharkey, and Kowalski go out in the Flyi
The Return of Blackbeard
The ghost of Blackbeard is alive and well, and he wants the Seaview and her crew. The pirate 'drafts' Kowalski, who make
Terrible Leprechaun
About the plot . . . Um . . . Well . . . Uh . . . Okay, here it is: You see, there are these twin leprechauns, one good,
The Lobster Man
A lobster-like alien emerges from a capsule retrieved from the ocean floor. He claims that all he wants is one of Seavie
Nightmare
Poor Captain Crane. The things he had to go through. This time, he's in the Flying Sub, when he receives a distress call
The Abominable Snowman
"But that's not the goal of a man -- of a scientist!" Admiral Nelson At an experimental station in the Antarctic, the cr
Secret of the Deep
Naval ships have been disappearing, and Seaview is on a hunt for the undersea installation responsible. They find a sea-
Man-Beast
"You had no right -- no right to make that second dive without orders from me!" Nelson to Crane Another scientist with a
Savage Jungle
Alien jungle growth is spreading across Italy, and before long -- thanks to a crewman who is really an alien spy -- the
Flaming Ice
Seaview is under polar ice, trying to discover the cause of increased flooding around the world. Nelson finds out that F
Attack!
Aliens are at it again. They're planning to destroy the Earth. However, one of the aliens claims to be a good guy. Can h
Edge of Doom
"Idiots!!!" Admiral Nelson to himself. There is an imposter on Seaview. Lee Crane is the main suspect. Admiral Nelson ta
The Death Clock
"... but the Flying Sub's my baby!" Captain Crane to Chief Sharkey Seaview's reactor is running wild -- again. Without t
No Way Back
Seaview experiences a sudden power overload and blows up, killing all hands aboard. When Admiral Nelson (who was at the
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