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Admiral Nelson and a Soviet scientist are in a diving bell when the vessel is swallowed by a giant whale. With only 90 minutes of oxygen, Captain Crane, Kowalski, and Riley swim into the whale's mouth to attempt a harrowing rescue.
Did You Know?
The first episode to be broadcast in color. Seaview is redesigned with only one set of observation windows and a hatch for the flying sub, although stock footage was used throughout seasons 2-4 showing the sub with three or six windows. New uniforms appear also as well as the flying sub. Over the course of seasons 2-4, there were six different flying sub models used for filming. See more
Captain Crane orders Chief Sharkey to release 100 gallons of shark repellent to attempt to deter the attacking whale. However, the only container shown is a 54 gallon drum. See more