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Deep oceanographer Dr. Anthony Sterling needs Seaview's help, but his is just one of many requests the Nelson Institute receives every day, and it isn't the most important. Admiral Nelson turns him down – until Sterling reveals that he has discoved a vent that he believes goes straight to the Earth's core. That is exactly the kind of unique research Seaview was built to handle, and Nelson boards her and travels there. But when he arrives, he discovers that the vent has discharged strange elements into the water, causing organisms to grow to enormous size.

Episode Info  

Episode number: 2x8
Production Number: 8211
Airdate: Sunday November 14th, 1965

Director: Harry Harris
Writer: William Welch

Guest Stars

Co-Guest Stars
Allan HuntAllan Hunt
As Riley
Liam SullivanLiam Sullivan
As Dr. Anthony Sterling
Main Cast
Richard BasehartRichard Basehart
As Adm. Harriman Nelson
David HedisonDavid Hedison
As Capt. Lee B. Crane
Robert DowdellRobert Dowdell
As LCDR Chip Morton
Del MonroeDel Monroe
As Kowalski
Terry BeckerTerry Becker
As Chief Francis Ethelbert Sharkey
Other Episode Crew

CreatorIrwin Allen
ProducerIrwin Allen
Associate ProducerWilliam Welch
Unit Production ManagerHal Herman
MusicAlexander Courage
Music EditorMorrie McNaughton
Music SupervisorLionel Newman
Set DecoratorWalter M. Scott  |  Norman Rockett
Production AssistantPaul Zastupnevich
Post Production SupervisorGeorge E. Swink
Director of PhotographyWinton C. Hoch
Story EditorSidney Marshall
StuntsDick Dial
Art DirectorJack Martin Smith  |  William J. Creber
Post Production CoordinatorRobert Mintz
Production ManagerGaston Glass
Film EditorJames Baiotto
Assistant DirectorWilliam McGarry
Executive In Charge Of ProductionWilliam Self (2)
Sound Effects EditorBob Cornett
Supervising Music EditorLeonard A. Engel
Theme MusicPaul Sawtell
Special Photographic EffectsHoward Lydecker  |  L.B. Abbott
Associate Story EditorAl Gail
Unit Production CoordinatorJack Stubbs
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