Episode 26
The Return Of The Phantom (50:44)
The ghostly Captain Krueger returns, still plotting to have Crane killed so that he may take over Crane’s body, but will Nelson succumb to Krueger’s diabolical demands?
Aired: 03/20/1966
Episode 25
The Mechanical Man (50:43)
Peter Omir, a super-human android, will stop at nothing—not even the annihilation of the planet—in his quest to mine a powerful new element from the Earth’s core.
Aired: 03/13/1966
Episode 24
The Menfish (50:40)
In the absence of Admiral Nelson, Admiral Park takes his place as a crazed scientist creates a giant, menacing creature that is half-man and half-fish.
Aired: 03/06/1966
Episode 23
The Monster's Web (50:45)
While on a mission to recover dangerous fuel cylinders from a wrecked submarine, the Seaview is attacked by an enormous sea spider, and with Nelson gravely injured, it’s up to Riley to help save the day.
Aired: 02/27/1966
Episode 22
The Death Ship (50:43)
The body count aboard the Seaview mounts as the damaged ship becomes part of a sinister plot to sabotage a seven-nation peace conference.
Aired: 02/20/1966
Episode 21
Dead Men's Doubloons (50:45)
Crane is held captive on the Isle of Death as the Flying Sub is attacked by a mysterious underwater pirate ship.
Aired: 02/13/1966
Episode 20
The Shape Of Doom (50:42)
The President’s life is endangered by the subject of a bizarre experiment, a gigantic whale that has swallowed an atomic bomb.
Aired: 02/06/1966
Episode 19
Graveyard Of Fear (50:41)
It’s a race against time as the Seaview is imperiled by a scientist desperate to retrieve data pertaining to a miraculous youth serum from his sunken ship.
Aired: 01/30/1966
Episode 18
The Sky's On Fire (50:43)
When the Van Allen radiation belt catches fire, Nelson’s plan to extinguish the blaze is thwarted by a misguided U.N. official.
Aired: 01/23/1966
Episode 17
The Phantom Strikes (50:39)
The crew of the Seaview is haunted by a phantom U-Boat and her ghostly captain.
Aired: 01/16/1966
Episode 16
Deadly Creature Below! (50:42)
As two escaped convicts plot to hijack the Flying Sub, the Seaview is menaced by a monster from the deep.
Aired: 01/09/1966
Episode 15
Killers Of The Deep (50:42)
With Crane being held hostage, Nelson leads the fight against a sinister foreign power intent on stealing undersea defense missiles.
Aired: 01/02/1966
Episode 14
Terror On Dinosaur Island (50:42)
Commander Crane leads the rescue mission as Admiral Nelson and Chief Sharkey struggle to survive on a mysterious island inhabited by deadly prehistoric beasts.
Aired: 12/26/1965
Episode 13
The Monster From Outer Space (50:38)
While on a mission to retrieve an unmanned space probe, the Seaview is taken over by a deadly extra-terrestrial organism.
Aired: 12/19/1965
Episode 12
The Machines Strike Back (50:46)
The Seaview races to the rescue when rogue drone submarines begin attacking the Eastern United States.
Aired: 12/12/1965
Episode 11
The X Factor (51:06)
In order to rescue a kidnapped scientist, Nelson infiltrates a mysterious toy company serving as a front for an enemy spy ring.
Aired: 12/05/1965
Episode 10
The Silent Saboteurs (51:18)
When a space probe is mysteriously destroyed, Captain Crane heads into hostile waters to locate the source of its destruction before another probe is shot down.
Aired: 11/28/1965
Episode 9
The Peacemaker (51:18)
In order to retrieve and disarm a lethal proton bomb, Crane must team up with a brilliant scientist who long ago defected to an enemy power.
Aired: 11/21/1965
Episode 8
Leviathan (51:15)
At the behest of a brilliant scientist, Nelson and the crew investigate a fissure in the Earth’s crust which causes nearby sea creatures—and the scientist—to grow to gargantuan proportions.
Aired: 11/14/1965
Episode 7
The Deadliest Game (51:18)
After leading the President of the United States on a tour of an undersea bomb shelter, Nelson must locate the source of some mysterious radio signals which threaten to trigger a nuclear disaster.
Aired: 11/07/1965
Episode 6
The Left-Handed Man (51:04)
A deadly assassin with something up his sleeve stalks Nelson as he attempts to stop a subversive plot to infiltrate the Defense Department.
Aired: 10/31/1965
Episode 5
Escape From Venice (51:19)
While undercover in Venice, Crane is framed for murder and is hunted by enemy agents and the police.
Aired: 10/24/1965
Episode 4
The Cyborg (51:20)
A cyborg double of Admiral Nelson boards the Seaview as part of a sinister plan to launch missiles at China, Russia, and the U.S.
Aired: 10/17/1965
Episode 3
...And Five Of Us Are Left (51:17)
The Seaview is off to rescue the crew of a World War II submarine, trapped for 28 years in an underwater cave.
Aired: 10/03/1965
Episode 2
Time Bomb (51:23)
While investigating a secret Soviet nuclear reactor, Nelson is injected with a substance turning him into a human time bomb, and it’s up to Crane to save the day.
Aired: 09/26/1965
Episode 1
Jonah And The Whale (51:17)
While working to salvage an undersea laboratory, Admiral Nelson and a Russian scientist are trapped when their diving bell is swallowed by a gigantic whale.
Aired: 09/19/1965
Episode 32
The Traitor (51:18)
Nelson's sister is abducted by enemy agents who demand top-secret information as ransom, but will Nelson betray his country in order to protect the only family he has?
Aired: 04/19/1965
Episode 31
The Condemned (51:29)
Nelson and Crane are dismayed when an egotistical, publicity-seeking scientist is given command of the Seaview in order to test a new pressure system which will allow the sub to explore uncharted depths.
Aired: 04/12/1965
Episode 30
The Secret of the Loch (51:26)
The Seaview travels to Scotland via a secret, natural underground conduit to investigate the mystery of the legendary Loch Ness Monster.
Aired: 04/05/1965
Episode 29
The Enemies (51:27)
While investigating the loss of an American submarine, Crane and Nelson are captured by foreign scientists who use an experimental drug to turn the two friends into bitter enemies.
Aired: 03/29/1965
Episode 28
The Creature (51:18)
The crew is joined by Captain Adams, the soul survivor of an ill-fated missile launch, in search of the mysterious force responsible for the disaster.
Aired: 03/22/1965
Episode 27
The Exile (51:26)
Nelson is stranded aboard a life raft with the ex-premier of a hostile foreign power who carries vital information on a plot to destroy the free world.
Aired: 03/15/1965
Episode 26
The Amphibians (51:28)
The crew of the Seaview is called to investigate an undersea laboratory where scientists are surgically transforming humans into amphibians.
Aired: 03/08/1965
Episode 25
Cradle of the Deep (51:31)
A strange experiment designed to speed up evolution goes horribly awry, and an enormous protoplasm threatens the lives of the entire crew.
Aired: 03/01/1965
Episode 24
The Saboteur (51:15)
Crane is brainwashed by enemy agents, and his new mission is to deactivate certain strategic undersea missiles and to assassinate Admiral Nelson!
Aired: 02/22/1965
Episode 23
The Human Computer (51:25)
Commander Crane is sent along as a mere observer as the Seaview embarks on her first computer-controlled, automated mission, but he soon discovers that he's not alone and danger is afoot.
Aired: 02/15/1965
Episode 22
The Buccaneer (51:25)
A mad art connoisseur seizes control of the Seaview and pirates Leonardo da Vinci's Mona Lisa from a French ship bound for the World's Fair.
Aired: 02/08/1965
Episode 21
The Indestructible Man (51:28)
After returning from a mission in deep space, a lifelike robot is brought aboard the Seaview, but the crew soon discovers that the robot has been mysteriously re-programmed to wreak havoc.
Aired: 02/01/1965
Episode 20
The Invaders (51:08)
An undersea earthquake exhumes hundreds of strange metallic capsules, and a powerful humanoid creature who could destroy mankind is restored to life after millions of years in suspended animation.
Aired: 01/25/1965
Episode 19
Doomsday (51:29)
When a mass-launching by a foreign power sets the U.S. on nuclear alert, the Seaview goes into a fail-safe maneuver, but is the launch really what it appears to be, and does this actually mean it's doomsday?
Aired: 01/18/1965
Episode 18
Mutiny (51:28)
After Nelson's experimental submarine is attacked by a giant jellyfish, tension mounts aboard the Seaview as Nelson exhibits signs of a mental breakdown.
Aired: 01/11/1965
Episode 17
The Last Battle (51:32)
Admiral Nelson is kidnapped from a plane during mid-flight and held on a remote island by Nazis who plan to conquer the world.
Aired: 01/04/1965
Episode 16
Hail to the Chief (51:18)
The crew of the Seaview is entrusted to protect, and possibly save, the life of the president of the United States from enemy agents.
Aired: 12/28/1964
Episode 15
Long Live the King (51:26)
The Seaview races to return a twelve-year-old prince to his homeland to assume the throne before the country is taken over by an anti-U.S. faction.
Aired: 12/21/1964
Episode 14
The Ghost of Moby Dick (51:24)
A scientist enlists the aid of the Seaview and her crew after a giant whale destroys his ship.
Aired: 12/14/1964
Episode 13
The Blizzard Makers (51:25)
A renowned meteorologist boards the Seaview to investigate the cause of unprecedented blizzards causing havoc in Florida.
Aired: 12/07/1964
Episode 12
No Way Out (51:13)
The Seaview is tangled in a web of espionage as Nelson uncovers a plot to kill a defecting communist agent.
Aired: 11/30/1964
Episode 11
The Magnus Beam (51:29)
Captain Crane is captured while investigating a mysterious weapon used to destroy American aircraft.
Aired: 11/23/1964
Episode 10
Submarine Sunk Here (51:29)
The Seaview is trapped on the ocean's floor after being damaged by an explosion from a minefield.
Aired: 11/16/1964
Episode 9
Hot Line (51:20)
Two Soviet scientists are rushed to disarm a defective atomic satellite which has crashed off the coast of California.
Aired: 11/09/1964
Episode 8
The Village Of Guilt (51:26)
The crew of the Seaview travels to the North Sea, where they must battle a sea monster and stop the evil scientist who created it.
Aired: 11/02/1964
Episode 7
Turn Back The Clock (51:26)
Nelson and Crane venture to Antarctica, where they discover a lost world rampaged by dinosaurs.
Aired: 10/26/1964
Episode 6
The Sky is Falling (51:26)
When an extraterrestrial spaceship lands in the ocean, the Seaview is rendered helpless, and Nelson and the crew must determine whether the aliens are friends or foes.
Aired: 10/19/1964
Episode 5
The Price of Doom (51:25)
The Seaview is attacked by mysterious, bizarrely expanding plankton, the result of a research experiment gone horribly awry.
Aired: 10/12/1964
Episode 4
The Mist Of Silence (51:17)
When several crew members are kidnapped on a mission to rescue a Latin American president, Admiral Nelson must save his men and foil a sinister militarist plot.
Aired: 10/05/1964
Episode 3
The Fear Makers (50:26)
Panic grips the crew of the Seaview when an enemy agent releases a fear-causing gas into the ship's ventilating system.
Aired: 09/28/1964
Episode 2
The City Beneath the Sea (50:26)
While investigating the disappearance of research ships in the Aegean, the Seaview is damaged by a bomb.
Aired: 09/21/1964
Episode 1
Eleven Days To Zero (50:32)
Captain Crane joins the crew of the Seaview and races to the North Pole to detonate a nuclear device in order to counteract the potentially deadly effects of massive tidal waves.
Aired: 09/14/1964

















