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How do you get enough men to commandeer the Seaview inside the highly secure Nelson Institute of Marine Research? You make the Institute want those men inside! The mysterious Logan, a master planner, knows how to do that - but taking over Seaview is only the first part of his audacious plan. If he succeeds, he'll possess the world's greatest art treasure, the Mona Lisa, while Nelson and his men endure a grim fate.

Episode Info

Episode number: 1x22
Production Number: 7223
Airdate: Monday February 08th, 1965

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Guest Stars
Barry Atwater
As Logan (as G. B. Atwater)

Co-Guest Stars
Paul Trinka
As Patterson
Émile Genest
As French Captain
Gene Dynarski
As Guard (as Eugene Dynarski)
Main Cast
Richard Basehart
As Adm. Harriman Nelson
David Hedison
As Capt. Lee B. Crane
Henry Kulky
As Chief Curley Jones
Robert Dowdell
As LCDR Chip Morton
Del Monroe
As Kowalski
Episode Goofs
The episode has a rather serious continuity problem. In Doomsday, just a few episodes earlier, no fewer than four men had to turn keys simultaneously to arm Seaview's nuclear missiles, and this could only happen after the President authorized their firing by opening a control access window. Indeed, a great hazard to the ship required the president to briefly reopen that window, risking the launch of any missile, anywhere! Yet here, Logan's prize crew is apparently able to arm and fire the missiles with just one man operating a few switches. A nuclear device contains a considerable amount of conventional explosive, and perhaps Logan believed this would be sufficient to achieve his goal - but nuclear weapons have always possessed many safeguards ensuring they will not detonate due to mischance of any sort. We never see Logan or his men disable these or hear them comment that they have done so. Even worse, Seaview carries conventional torpedoes, the usual weapon a submarine deploys to deal with hostile craft. These would have been sufficient to the task Logan intended for the nuclear missiles.

Nelson claims submerging while men are on the submarine's deck will kill them. This seems unlikely while the boat is docked (as it then was); the men would simply enter the water feet from dry land. Possibly a poor swimmer would succumb, but there were enough men there to rescue any individual like that. At sea, with no ships around and no intention of returning, it would be a different story.

Other Episode Crew

CreatorIrwin Allen
ProducerIrwin Allen
Associate ProducerJoseph Gantman
Unit Production ManagerHal Herman
Music EditorHarry Eisen
Music SupervisorLionel Newman
Set DecoratorWalter M. Scott  |  Robert De Vestel
Production AssistantPaul Zastupnevich
Post Production SupervisorGeorge E. Swink
Director of PhotographyCarl E. Guthrie
Story EditorWilliam Welch
Art DirectorJames McGuire  |  Jack Martin Smith
Post Production CoordinatorRobert Mintz
Production ManagerGaston Glass
Film EditorRobert Belcher
Assistant DirectorGilbert Mandelik
Executive In Charge Of ProductionWilliam Self (2)
Supervising Music EditorLeonard A. Engel
Theme MusicPaul Sawtell
Special Photographic EffectsL.B. Abbott
Supervising Sound Effects EditorRalph Hickey
Associate Story EditorAl Gail
Supervising Film EditorRoland Gross
Warning: Voyage to the Bottom of the Sea season 1 episode 22 guide may contain spoilers
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