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!

• Paramount Pictures
• Ivan Tors Productions
• Tony Randall
• Janet Leigh
• Ken Berry
• Roddy McDowall
• Charlotte Rae
• Richard Dreyfuss
• Jim Backus
• Kay Cole