Voyage to the Bottom of the Sea
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Season 1 (1964-1965)

Eleven Days to Zero
Earthquakes are about to cause massive tidal waves on all the world's coasts;the Seaview must travel to the North Pole to set off a bomb to counteract thewaves and save theworld.

The City Beneath the Sea
In the Aegean, ships are disappearing; Crane, undercover, discovers a city under the sea, run by a madman intent on conquering the world.

The Fear-Makers
The Seaview is endangered when its crew is affected by a fear-causing gas.

The Mist of Silence
The Seaview is on a mission to pick up a defecting Latin American dictator; meanwhile, Crane and several members of its crew are kidnapped by the dictator'sarmy.

The Price of Doom
The Seaview is attacked by plankton.

The Sky is Falling
Nelson and the Seaview encounter a flying saucer--but is its pilot friend or foe?

Turn Back the Clock
Nelson and Crane encounter dinosaurs in a tropical jungle beneath the Antarctic.

The Village of Guilt
The Seaview must fight a sea monster, and the scientist who created it.

Hot Line
A Soviet satellite crashes in the ocean near California, and the Seaview must transport a Soviet scientist to disarm it before it explodes.

Submarine Sunk Here
The Seaview runs into a mine field and is trapped on the ocean's floor; the only thing that can save it is its diving bell, which is broken.

The Magnus Beam
The crew of the Seaview must defeat a weapon which makes any metal weapons or tools ineffective.

No Way Out
While transporting a defecting communist agent to the United States, Nelson must find another agent on board the Seaview before that agent can kill the defector.

The Blizzard Makers
Florida experiences unprecedented blizzards, and Nelson and the Seaview's crew must find out why.

The Ghost of Moby Dick
Nelson and the Seaview help a scientist find the whale that sunk his boat and killed his son.

Long Live the King
The Seaview must return a young prince to his homeland to become king before his country is taken over by enemies of the United States, and before he is killed by enemies on board the Seaview.

Hail to the Chief
The President of the United States is injured, and must be treated aboard the Seaview; meanwhile, enemy agents try to ensure that he will not recover.

The Last Battle
Nelson is kidnapped by Nazis and must, aided by a group of captive scientists, stop them from taking over the world.

Mutiny
While Nelson appears to lose his reason, the Seaview encounters a giant jellyfish.

Doomsday
The United States mistakes a foreign power's satellite launch for the outbreak of war, and the Seaview is on alert; the Seaview's missile launch is cancelled just in time, but one of their missiles is still active.

The Invaders
The Seaview finds hundreds of capsules containing ancient beings in suspended animation. One is brought back to life--but is he friend or foe?

The Indestructible Man
A robotic astronaut returns from space, having gathered important data, and the Seaview recovers it, only to find that it has been reprogrammed.

The Buccaneer
The Seaview is taken over by an art collector intent on stealing the Mona Lisa, which is being transported on a passing ship.

The Human Computer
As an experiment, the Seaview is sent out, run entirely by a computer, with Crane along to observe. He soon realizes, however, that he is not alone.

The Saboteur
Crane is brainwashed and ordered to sabotage the Seaview's mission of deactivating missiles--and to kill Nelson.

Cradle of the Deep
A small particle of primitive bacteria grows into a giant organism, putting the Seaview and its crew in great danger.

The Amphibians
Scientists turn themselves, and captured human divers, into amphibians.

The Exile
Nelson is trapped on a raft at sea with the supposedly-defecting dictator of a foreign power.

The Creature
The Seaview is attacked by a giant manta ray which emits ultrasonic waves.

The Enemies
Nelson and Crane are trapped on an island where they are made the subjects of an experiment involving a drug which turns friends to enemies.

Secret of the Loch
Through an underground tunnel, the Seaview enters Loch Ness and searches for its monster.

The Condemned
The Seaview is used to test an experimental pressure system which will allow it to dive below its crush depth, but problems arise with the scientist in charge ofthe experiment.

The Traitor
Nelson's sister is kidnapped by foreign agents, and his loyalty is in question.

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Season 2 (1965-1966)

Jonah and the Whale
While the Seaview helps Soviet scientists salvage an undersea laboratory, Nelson and one of the scientists, in a diving bell, are swallowed by a giant whale.

Time Bomb
Nelson is unknowingly injected with a mixture that will cause him to explode if he comes in contact with radioactive materials--and he is on a mission to secretly investigate a Soviet nuclear facility!

And Five of Us Are Left
The Seaview rescues five survivors of a United States submarine sunk during WorldWar II.

The Cyborg
Nelson is held captive in a scientist's laboratory, while a cyborg replica of Nelson takes his place on the Seaview.

Escape from Venice
Crane, undercover in Venice with an important decoding device, is chased by enemy agents, and Nelson must find and save him.

The Left-Handed Man
Nelson must discover the truth when the man up for the job of Secretary of Defense may or may not be a traitor.

The Deadliest Game
While Crane takes the President of the United States and several Pentagon officials to an undersea bomb shelter, it appears that a nuclear attack has begun.

Leviathan
On the way to assist a scientist friend of Nelson, the crew of the Seaview sees monsters--or do they?

The Peacemaker
Crane, undercover, enters a foreign power to bring back a defected American scientist.

The Silent Saboteurs
An American space capsule is shot down by a mysterious ray, and Crane must discover its origin.

The X Factor
A kidnapped American scientist is transformed into a mannequin, to be transported to and revived in a foreign country.

The Machines Strike Back
Nelson loses control of a drone submarine and the Seaview must find out why.

The Monster from Outer Space
The Seaview recovers a returning outer-space probe and is attacked by an alien organism that attached itself to the probe.

Terror on Dinosaur Island
Nelson and Sharkey are trapped on a prehistoric island, complete with dinosaurs.

Killers of the Deep
United States missiles are being stolen from their silos on the bottom of the ocean and the Seaview investigates.

Deadly Creature Below
The Seaview picks up two escaped prisoners lost at sea.

The Phantom Strikes
The Seaview meets up with a man claiming to be the commander of a World War I German submarine, not realizing that he is actually a ghost out to take over Crane's body.

The Sky's On Fire
In the Antarctic, a meteor shower has set the sky on fire, and Nelson plans to put out the fire with a nuclear bomb.

Graveyard of Fear
The Seaview helps a scientist salvage a youth serum from a sunken research ship; however, they must also face a giant man-of-war.

The Shape of Doom
A giant whale swallows a nuclear bomb carried by the Seaview--and heads in the direction of a ship carrying the President of the United States.

Dead Men's Doubloons
The crew of the Seaview encounter a pirate's curse on the Isle of Death.

The Death Ship
The Seaview, testing a new automated system, is populated only by Nelson, Crane, and a group of scientists. When the scientists begin dying one by one, Nelson and Crane must find the traitor.

The Monster's Web
The Seaview encounters a giant undersea spider.

The Menfish
A scientist has discovered how to turn fish into partly-human creatures; when the Seaview arrives, he starts to experiment on members of its crew.

The Mechanical Man
An android scientist visits the Seaview; unknown to Nelson, he is intent on taking over the world.

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Season 3 (1966-1967)

Monster from the Inferno
The Seaview battles an alien being capable of controlling the crew's minds; real trouble begins when it starts to siphon off the sub's energy.

Werewolf
A visiting scientist is transformed into a werewolf.

The Day the World Ended
While transporting an influential senator, the crew of the Seaview seems to be losing touch with reality.

Night of Terror
The Seaview's diving bell is washed away by a tidal wave onto a tropical island, complete with pirates and treasure.

The Terrible Toys
The Seaview rescues a sailor lost at sea with nothing but his clothes and a bag of toys--very unusual toys.

Day of Evil
Nelson is impersonated by an alien intent on starting a nuclear war on Earth.

Deadly Waters
The Seaview rescues Kowalski's brother, a diver using experimental diving gear to investigate a sunken submarine. When the sub explodes and damages the Seaview, the experimental suit may be their only hope.

The Thing from Inner Space
Patterson's father, a member of the camera crew of a television scientist, is killed by a sea monster; the Seaview accompanies the scientist on a return trip to find the monster.

The Death Watch
Nelson, Crane and Sharkey are the only crew aboard the Seaview; Sharkey is caught in the middle as Crane and Nelson try to kill each other.

Deadly Invasion
The Seaview inadvertently takes aboard alien spaceships, the occupants of which intend to take over an underwater nuclear plant.

The Haunted Submarine
The Seaview is attacked by a sailing ship from hundreds of years past, and everyone on the sub is immobilized--except for Nelson.

The Plant Man
While helping telepathically bonded twin scientists--one good, one evil--the Seaview is attacked by a giant plant man created by the evil twin.

The Lost Bomb
A plane carrying a powerful bomb is attacked, and the bomb falls to the bottom of the sea; the Seaview must reach it before an enemy submarine can--and before it explodes.

The Brand of the Beast
Nelson is exposed to high levels of radiation, which once again turn him into a werewolf.

The Creature
The Seaview is attacked by a mysterious sea creature, which takes over Crane and other crew members in an attempt to control the ship.

Death from the Past
The Seaview discovers a WWII German sub; two of its crew have been preserved by suspended animation. Upon waking, they attempt to continue the war.

The Heat Monster
An Arctic scientist brings an alien to earth and is killed by the intense heat it produces; on answering the scientist's call for help, the Seaview brings the creature aboard and must defeat it before they suffer the same fate.

The Fossil Men
The Seaview discovers the crew of a sub sunken many years earlier--but its crew have been turned into rock-like creatures, and intend to do the same to thecrew of the Seaview.

The Mermaid
Crane sees a mermaid, follows and captures her, and brings her aboard the Seaview.

The Mummy
The Seaview must transport a mummy from the United States to its original owner, a Middle-Eastern country, in an attempt to avert a war. Enroute, the mummy wakes up, takes over Crane's mind, and does its best to keep itself from being delivered.

The Shadowman
While launching a space probe, the crew of the Seaview is taken over by an alien who wants the launch to fail.

No Escape from Death
While searching for an underwater laboratory, the Seaview crashes into another sub. While repairing the damage from the accident, they must also contend with a giant man-o-war, the product of the lab.

Doomsday Island
The Seaview brings aboard a giant undersea egg, which hatches, and its amphibian inhabitant starts to destroy the ship--it is one of an alien race who wants to use the sub to take over the world.

The Wax Men
A clown exchanges the Seaview's crew for wax dummies, thereby taking over the ship.

Deadly Cloud
Crane takes the Flying Sub into a mysterious cloud, is taken over by aliens, and returns to the Seaview.

Destroy Seaview!
A brainwashed Nelson sabotages the Seaview's attempts to locate an important new element.

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Season 4 (1967-1968)

Fires of Death
On a mission to stop a volcano from destroying a large part of the world, Nelson's efforts are hampered by a visiting scientist looking for a stone which can cause eternal youth.

The Deadly Dolls
A puppeteer, brought on board the Seaview to entertain the crew, replaces crewmembers with puppet duplicates, thus taking over the ship.

Cave of the Dead
The Seaview encounters the Flying Dutchman and is in danger of inheriting her its curse.

Journey with Fear
The Seaview is used to launch a space ship, and Morton and Crane find themselves transported to the planet Venus.

Sealed Orders
While on an important mission to deliver a powerful bomb, the Seaview is troubled by the disappearance of many of its crew--and the possibility that the bomb they are carrying may explode.

Man of Many Faces
Nelson must contend with both a master of disguise and the impending collision of the earth and the moon.

Fatal Cargo
The Seaview is endangered by a mind-controlled gorilla.

Time Lock
Nelson is kidnapped and brought to the future, to become part of a museum-quality collection of historical military officers.

Rescue
The Seaview is attacked from without, by an enemy wubmarine, and within, by a saboteur.

Terror
The Seaview is threatened by plant creatures who intend to take over the earth by controlling its inhabitants--starting with Nelson.

A Time to Die
Nelson and the Seaview face the mild-mannered Mr. Pem, who happens to own a powerful time-travel machine.

Blow Up
After using an experimental breathing device, Nelson starts to become paranoid, and act strangely, endangering the ship.

The Deadly Amphibians
The Seaview is attacked by an undersea amphibious people intent on using the ship for their own purposes.

The Return of Blackbeard
While guarding a ship with the president of the United States and a visiting dignitary on board, the men of the Seaview are recruited to be Blackbeard's pirate crew.

The Terrible Leprechaun
The Seaview is endangered by an evil, greedy leprechaun who is after undersea gold, and their only chance may be the help of his good, but less powerful, brother.

The Lobster Man
The Seaview encounters an alien who claims to be friendly--but is he?

Nightmare
Crane, in the Flying Sub, returns to the Seaview and finds a very confusing state of affairs--to start with, the crew is gone.

The Abominable Snowman
After rescuing members of a scientific mission in the Antarctic, the Seaview's crewmembers are attacked by what may be the Abominable Snowman.

Secret of the Deep
Blackmailers are threatening the countries of the world with attacks on their ships, and the Seaview must find the source.

Man-Beast
An experimental atmosphere in the diving bell causes Crane to become a man-beast.

Savage Jungle
Aliens plan to take over the world by covering it with plant life; the Seaview must stop them, but the sub is also being taken over by the vegetation.

Flaming Ice
Alien frost men attempt to destroy the world by flooding it with melted polar ice.

Attack!
A flying saucer destroys the United States' Pacific Fleet and threatens to destroy the planet, and the crew of the Seaview must stop them.

The Edge of Doom
The Seaview must deliver an important defense device--but there is an enemy agent on board and Nelson must discover who it is.

The Death Clock
Crane must contend with an evil doppelganger--a fourth-dimensional being intent on killing Nelson.

No Way Back
Mr. Pem returns, offering help to Nelson but actually plotting to change history.

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