Written by: Shimon Wincelberg
Executive Producer: Irwin Allen
Director: Sobey Martin
Cast: Richard Basehart, David Hedison, Robert Dowdell, Del Monroe, Arch
Whiting, Allan Hunt, Nigel McKeand.
Guest Cast: Gia Scala, Paul Trinka, Robert Pane, Pat Culliton, Terry
Becker.
Russian scientist Katya Markhova, her assistant and the members of the
Seaview are working together to salvage what is left of an underwater laboratory.
The lab was constructed to increase the dwindling food supply caused by
the population explosion. While Katya's assistant is down in the diving
bell, a herd of migrating whales close in on the sphere. It is struck by
one of the creatures, and the assistant is killed. Katya insists upon going
back down as soon as the bathysphere can be repaired...
Written by: William Read Woodfield & Allen Balter
Executive Producer: Irwin Allen
Director: Sobey Martin
Cast: Richard Basehart, David Hedison, Robert Dowdell, Terry Becker
Guest Cast: Susan Flanery, Ina Balin, John Zaremba, Dr. Harold Dyrenforth,
Richard Loo, Richard Gilden, Lee Millar, John Kawal, Frank Delfino
Oriental secret agent Li Tung is using the assistance of former Russian
spy Litchka in a plan to create a full-scale war between the United States
and Russia thereby allowing his country to became the reigning power. The
plan is to shoot doses of cesium and distilled water into a human so that
any immediate contact with radioactivity will create a chain reaction and
subsequent explosion. Admiral Nelson has been called to Naval Intelligence
Admiral Johnson to be informed of a secret reactor plant being maintained
by the Russians in Garav, near the Back Sea...
Written by: Robert Wincent Wright
Executive Producer: Irwin Allen
Directed by: Harry Harris
Cast: Richard Basehart, David Hedison, Robert Dowdell, Terry Becker, Allan Hunt.
Guest Cast: James Anderson, Robert Doyle, Ed McCready, Phillip Pine,
Françoise Ruggiere, Teru Shimada, Kent Taylor.
Admiral Nelson has been given a bottle which contains a recently dated
note from Lt. Ryan, who supposedly perished aboard the submarine USS Tetra,
somewhere in the Pacific 28 years ago. Five of the men aboard the submarine,
including a lieutenant in the Japanese navy, have survived in their underwater
cave. Members of the Seaview make immediate plans to attempt a rescue...
Written by: William Read Woodfield & Allan Balter
Executive Producer: Irwin Allen
Directed by: Leo Penn Cast: Richard Basehart, David Hedison, Terry Becker, Del Monroe, Arch Whiting
Guest Cast: Victor Buono, Brooke Bundy, Nancy Hsueh, Fred Crane,
Tom Curtis, Stanley Schneider, Nick Colasanto
Upon receiving the 1976 Nobel Prize in Biology, Admiral Nelson is congratulated
by the famed Dr. Tabor Ulrich and invited to visit his Swiss Laboratory
of International Bionics, where Ulrich's amazing Cyborg's, electronic superior
replicas of human beings, are created...
Written by: Charles Bennet
Executive Producer: Irwin Allen
Directed by: Alex March
Cast: Richard Basehart, David Hedison, Robert Dowdell, Terry Becker, Allan Hunt
Guest Cast: Renzo Cesana, Danica D'Hondt, Vincent Gardenia, Delphi
Lawrence, Tommy Nello, Freddie Roberto, Rachel Romen, Margot Stevenson,
Ken Tilles
Captain Crane is being hunted in Venice both by enemy agents, who want
a decoding device he carries in the form of a secret tune that will unravel
plans for the enemy's ultimate weapon, and by the police, who think Crane
is the killer of his undercover agent. Admiral Nelson sets to find Crane,
taking Stu Riley and Chief Sharkey...
Written by: William Welch
Executive Producer: Irwin Allen
Directed by: Jerry Hopper
Cast: Richard Basehart, David Hedison, Robert Dowdell, Terry Becker, Del Monroe
Guest Cast: Regis Toomey, Cyril Delavanti, Charles Dierkop, Barbara
Bouchet, Judy Lang, Michael Barrier, Fred Crane.
Admiral Nelson is stopped at night outside his bungalow at the Nelson Institute
by a man named Cabrillo who claims to be an agent for the Office of Naval
Intelligence. He implores Nelson to keep George W. Penfield from becoming
Secretary of Defense, and gives Nelson a Match book asking him to see the
person who will appear with an identical match book....
Written by: Rick Vollaerts
Executive Producer: Irwin Allen
Directed by: Sobey Martin
Cast: Richard Basehart, David Hedison, Robert Dowdell, Terry Becker,
Del Monroe
The Seaview's Captain Crane leads the President of the United States and
a party of Pentagon officials on an inspection tour of the newly completed
undersea bomb shelter, a supposedly invulnerable unit designed by Admiral
Nelson and built by retired Gen. Hobson's Grosvenor Dynamics Firm. As Nelson
and Hobson monitor the activities from the sub, the controls in the bomb
shelter suddenly go out of control...
Written by William Welch
Executive Producer: Irwin Allen
Directed by: Harry Harris Cast: Richard Basehart, David Hedison, Terry Becker, Allan Hunt, Del Monroe, Bob Dowdell
Guest Cast: Karel Steele, Liam Sullivan
In a remote undersea lab, Dr. Anthony Sterling and his assistant, Cara
Sloane, have made a startling discovery. Sterling sends Cara to his old
friend and colleague, Nelson, to request the aid of the Seaview. While
Cara is there, Sterling radios Nelson that he has discovered a fissure
in the ocean floor which reaches to the earth's core...
Written by William Read Woodfield & Allan Balter
Executive Producer: Irwin Allen
Directed by Sobey Martin
Cast: Richard Basehart, David Hedison, Robert Dowdell, Terry Becker, Allan Hunt
Guest Cast: John Cassavettes, Irene Tsu, Lloyd Kino, Whit Bissel,
Dale Ishimoto, Walter Woolf King, George Zaima,, Lee Kalima, George Young
From the Seaview's conning tower Nelson and Crane witness the Arctic explosion of
an enemy power's proton bomb. While Nelson reports this to Admiral Connors,
Chief of Naval Intelligence, the premier of the enemy power is executing
the three scientists who built the bomb to destroy the world except for
the enemy power. One of the scientist, an American named Lang, who defected
under a false promise by the enemy power to force peace, is not dead...
Written by Sidney Marshal - Story by Max Erlich
Executive Producer: Irwin Allen
Directed by: Sobey Martin
Cast: Richard Basehart, David Hedison, Robert Dowdell, Terry Becker, Del Monroe
Guest Cast: Pilar Seurat, George Takei, Bert Freed, Alex D'Arcy,
Phil Posner, Robert Chadwick, Ted Jordan
The Arcturus Three space capsule, carrying two astronauts, is destroyed
on its reentry course by a mysterious force field set up by an enemy power.
As unpublicized Arcturus Four completes its orbits, Capt. Crane is assigned
to take the flying sub into hostile Southeast Asian waters to find the
source of the deadly force field. Taking Sharkey and Kowalski with him...
Written by William Welch
Executive Producer: Irwin Allen
Directed by: Leonard Horn
Cast: Richard Basehart, David Hedison, Robert Dowdell, Terry Becker, Allan Hunt
Guest Cast: Jan Merlin, George Tyne, John McGiver, Bill Hudon, Anthony
Brand
Randall Liscomb, a U.S. scientist who holds the secret to the greatest deterrent
weapon ever developer is kidnapped by enemy agents, led by Henderson, and
taken to the Kaber Toys Company. The espionage leader, Kaber, under the
guise of an import-export trades in toys sends stolen secrets and men to
his country. He has Liscomb put through the Conversion Tank, which transforms
him into a life-sized mannequin by paralyzing him and coating him with
a wax-like substance...
Written by: John & Ward Hawkins
Executive Producer: Irwin Allen
Directed by J.Juran Cast: Richard Basehart, David Hedison, Robert Dowdell, Terry Becker, Allan Hunt, Arch Whiting.
Guest Cast: Roger C. Carmel, Françoise Ruggieri, John Gallaudet,
Bert Remsen.
Crane and Riley, in a routine check of the vast network of automatic Drone
Defense Subs, discover that a lethal missile launcher has activated itself
and has fired a projectile towards New York City. Admiral Nelson alerts
Washington and orders the Seaview to give chase. The missile goes down,
fortunately, in a forest, but starts a blaze. The Telltale, a device aboard
the drone sub which records all command signals, must be retrieved in order
to determine who or what triggered the weapon...
Written by William Read Woodfield & Allan Balter
Executive Producer: Irwin Allen
Director: James Clark
Cast: Richard Basehart, David Hedison, Robert Dowdell, Terry Becker, Allan Hunt, Del Monroe
Guest Cast: Wayne Heffley, Lee Delana, Preston Hanson, Hal Torey
A foreign body is detected clinging to an Unmanned Saturn Probe space capsule
as it approaches reentry. The Seaview is ordered to use extreme caution
in recovering the spacecraft. As Capt. Crane leads a party of divers to
attach a line to it, they discover that it is covered by a slimy tentacles
growth. As the divers blast the foreign creature with acetylene torches
it seems to shrink and disappear completely. They attach the line, and
the capsule is hauled into the Seaview's missile chamber for decontamination....
Written by William Welch
Executive Producer: Irwin Allen
Directed by: Leonard Horn
Cast: Richard Basehart, David Hedison, Bob Dowdell, Terry Becker, Allan Hunt, Del Monroe
Guest Cast: Paul Carr
As Admiral Nelson and Chief Sharkey witness from the flying sub the birth
of an island at sea, a volcanic explosion blast their craft from the skies.
The Seaview feels the shock waves from the tremors and Crane, losing radio
and sonar contact with the flying sub, realizes it must have gone down.
Nelson and Sharkey, who have managed to bail out at the last moment, set
out to scan the strange fog-bound surroundings as they wait for a rescue
party from the Seaview. Aboard the sub, seaman Benson has switched his
midship watch with his friend Grady, who has bow watch. As the Seaview
moves ahead toward the island, a huge brontosaurus looms up from the deep
and smashes the sub amidships...
Written by William Read Woodfield & Allan Balter
Executive Producer: Irwin Allen
Directed by: Harry Harris
Cast: Richard Basehart, David Hedison, Robert Dowdell
Guest Cast: Patrick Wayne, Michael Ansara, James Frawley, John Newton,
Dallas Mitchell, Bruce Mars, Gus Trikanis.
An enemy power is discovered stealing U.S. nuclear defense missiles
placed secretly on the ocean floor. The Secretary of State orders Nelson
to search for the culprit, sending U.S. Destroyer Macklin to help. Nelson
and Crane take off in the flying sub and soon spot an unmarked renegade
sub. Suddenly, missiles from the sub blast the flying sub, and as Crane
bails out, Nelson is forced to ditch in the sea. Nelson is picked up by
the Macklin, but Crane is captured by the enemy sub, where Captain Ruiz
explains that having already stolen three, he needs only one more missile
to make his country a major nuclear power...
Written by William Welch
Executive Producer: Irwin Allen
Directed by: Sutton Roley
Cast: Richard Basehart, David Hedison, Bob Dowdell, Terry Becker, Allan Hunt, Del Monroe
Guest Star: Alfred Ryder
Returning from routine undersea surveys in the Pacific, the Seaview comes
upon a derelict World War I German U-Boat, U-444, wrecked on the ocean
floor. U-444 suddenly stirs and begins to rise as the Seaview's reactor
pile mysteriously shuts down. Then in a rush of bubbles, the old submarine
disappears, and the Seaview's power returns. Nelson and Crane are further
mystified when they learn that the U-444 was sunk in 1916 in the North
Atlantic, more than 30.000 miles away. After surfacing, they spot a man
clinging to mysterious debris...
Written by William Read Woodfield & Allan Balter
Executive Producer: Irwin Allen
Directed by: Sobey Martin
Cast: Richard Basehart, David Hedison, Bob Dowdell, Terry Becker, Del Monroe, Arch Whiting
Guest Cast: Nehemiah Persoff, Paul Comi, Wayne Heffley
While Admiral Nelson and Sharkey submerge in the Diving Bell near the Bahamas
preliminary to planting a newly-developed guidance or destruct mechanism
for retaliatory missiles, two escaped convicts. Dobbs and Hawkins, are
discovered adrift on a capsized rowboat nearby. Crane orders the Diving
Bell recovered in order to pick up the two men. The Bell heads back up
to the Seaview narrowly escaping the grasp of an unseen great slimy creature...
Written by William Welch
Executive Producer: Irwin Allen
Director: J. Mayer
Cast: Richard Basehart, David Hedison, Bob Dowdell, Terry Becker, Allan Hunt, Del Monroe
Guest Cast: David J. Stewart, Robert H. Harris, Frank Marth.
While cruising undersea off Antarctica, Seaview is suddenly battered by
Hunks of ice falling from above. Surfacing, Nelson, Crane, and crew are
astonished to see the sky is literally on fire. Nelson radios Commander
McHenry of O.N.I., who explains that the entire Southern Hemisphere's Radiation
Belt is burning. Nelson takes the Flying Sub immediately to Washington
where he explains to McHenry and two United Nations representatives, August
Weber, a Suiss, and Eric Carleton, English, that their only chance is to
explode a nuclear device in the atmosphere to blow the burning gases out
of the Earth's magnetic field...
Written by Robert Vincent Wright
Executive Producer: Irwin Allen
Director: Justus Addiss
Cast: Richard Basehart, David Hedison, Bob Dowdell, Allan Hunt, Del Monroe
Guest Cast: Robert Loggia, Marian Moses
Nobel Scientist Ames and his pretty secretary, Karyl, are the sole survivors
of a disaster in which a research ship was sunk by a giant electrically
charged Portuguese Man-of-War mutant. Telling Nelson that the ship was
sunk by a sudden squall, Ames gets the Seaview to return to the disaster
site to retrieve the vital research data. He explains to Nelson that in
his study of plankton, he discovered a substance that restores and preserves
youth. As the Seaview approaches the sunken ship, its sonar goes haywire...
Written by William Welch
Executive Proucer: Irwin Allen
Director: Nathan Juran
Cast: Richard Basehart, David Hedison, Robert Dowdell, Allan Hunt, Del Monroe, Arch Whiting
Guest Star: Kevin Hagen
Dr. Alex Holden, a leading biochemist, is the sole survivor from his research
ship when it is smashed by the giant whale he's attempting to capture.
On its way to plant a powerful nuclear explosive in the ocean floor, the
Seaview picks Holden up. When Holden learns that the Seaview is going to
blast a canal in the ocean floor with nuclear explosive, with the President
performing the dedication ceremony himself from a nearby aircraft carrier,
he becomes frantic that his whale will be destroyed without his getting
any of the tissues essential to his research...
Written by Sidney Marshall
Executive Producer: Irwin Allen
Director: Sutton Roley
Cast: Richard Basehart, David Hedison, Robert Dowdell, Del Monroe, Arch Whiting, Paul Trinka
Guest Cast: Albert Salmi, Allen Jaffe, Robert Brubaker, Stan Kamber,
Bob Swimmer
As the Seaview, is making a routine check on an undersea network of 275
intercontinental Defense Missiles, one explodes mysteriously, killing the
three-man inspection team of divers. A foreign electrical expert aboard,
Captain Brent, who strangely resembles a 16th century pirate, who went
down with his ship and treasure, alludes to a connection between the disaster
and the Spanish doubloon one the divers reported finding. After communication
with 11th fleet commander Admiral Howard, Nelson and Crane order Mini-Sub
and diving crews to stand-by for further reconnaissance of the area....
Written by William Read Woodfield & Allan Balter
Executive Producer: Irwin Allen
Director: Abner Biberman
Cast: Richard Basehart, David Hedison, Robert Dowdell, Terry Becker, Allan Hunt, Del Monroe
Guest Cast: Lew Gallo, Elizabeth Perry, June Vincent, Ivan Triesault,
David Sheiner, Harry Avis, Herbert Voland, Ed Connelly, Allan Baxter.
A saboteur's bomb severely damages the Seaview as part of an enemy plot
to cause the sub to undergo repairs lasting about thirty days, until the
celebrated Peace Ship heaves to in mid-Pacific for the signing of the seven
power peace treaty. The plan is that on that day, the Seaview will have
a test run, with only a skeleton crew of technicians instead of the normal
crew of 125 men, during which time it will be taken over and used to torpedo
the Peace Ship.
Written by Al Gail - Story by Peter Packer
Executive Producer: Irwin Allen
Director: Justus Addiss
Cast: Richard Basehart, David Hedison, Robert Dowdell, Allan Hunt, Del Monroe, Arch Whiting
Guest Cast: Mark Richman, Barry Coe, Sea Morgan
As Captain Gantt pushes his nuclear submarine towards a dangerous 75 knots
to test a new high-powered fuel he has developed, his Executive Officer,
Balter, warns that the hull may burst, Suddenly a giant web appears dead
ahead, and the sub crashes headlong into it. Before Gantt an other survivors,
excluding Balter, are rescued, Gantt sights a giant spider-like creature
looming up from the briny depths. When the Navy Board initiates inquiries,
Nelson and the Seaview are detailed to retrieve the remaining four fuel
cylinders in Gantt's sub...
Written by William Read Woodfield & Allan Balter
Executive Producer: Irwin Allen
Director: Tom Gries
Cast: David Hedison, Bob Dowdell, Del Monroe
Guest Cast: Gary Merrill, Roy Jenson, Victor Lundin, Wayne Heffley,
John Dehner, Lawrence Mann, George T. Sims
Having developed a process by which, after injection human pineal fluid
into a fish, he can irradiate the fish into a 6 foot creature part man
and part fish, blacklisted Dr. Sten Borgman, and his assistant, Hansjurg,
are granted to facilities of the Seaview to complete their experiments
in the ocean. In the absence of Admiral Nelson, the man responsible for
jailing Borgman some years ago for conducting fatal experiments on humans,
Admiral Park, is chosen to oversee the operation...
Written by John & Ward Hawkins
Executive producer: Irwin Allen
Director: Sobey Martin
Cast: David Hedison, Robert Dowdell, Allan Hunt, Del Monroe, Paul Trinka
Guest Cast: James Darren, Arthur O'Connell, Seymour Cassel, Cec Linder,
Robert Riordan
Peter Omir and Paul Ward conduct the internationally sponsored Mohole drilling
operation to the Earth's core from the ocean floor, as the Seaview supplies
the nuclear power for the highly developed drill heads. When Ralph Vendon,
International Scientific Congress representative, visits the rig and discovers
that Omir is concealing his discovery of an unknown element, Subterranium
116, that can produce boundless pure energy, Omir Locks him into a chamber
and charges two S-116 cubes, causing him to disappear in a brilliant explosion
of pure energy...
Written by William Welch
Executive Producer: Irwin Allen
Director: Sutton Roley Cast: Richard Basehart, David Hedison, Robert Dowdell, Allan Hunt, Del Monroe
Guest Cast: Alfred Ryder, Vitina Marcus, Richard Bull
After burying at sea the body of Captain Krueger who tried to harass the
Seaview's crew into believing that he was the ghost Captain of a First
World War German U-Boat, Admiral Nelson returns to his lab as Captain Crane
heads the sub on towards Pearl Harbor. Nelson is visited by another apparition,
however, Lani, a beautiful Polynesian girl who warns that Krueger will return
and once again demand Crane's body. Nelson gives Crane his gun with orders
not to let him have it back under nay circumstances...
