Given the chance to live in a simulated underwater home for a month, a scientist convinces his family to take advantage of the offer. Once the family agrees to move in, underwater mayhem occurs!
Tony Randall
Fred Miller
Janet Leigh
Vivian Miller
Ken Berry
Mel Cheever
Roddy McDowall
Nate Ashbury
Charlotte Rae
Myrtle Ruth
Richard Dreyfuss
Harold Webster
Jim Backus
T.R. Hollister
Kay Cole
Lorrie Miller
