Hello Down There

Hello Down There rerelease title SubADubDub is a 1969 musical comedy film made by Paramount Pictures starring Tony Randall and Janet Leigh about a family living in an underwater house. It was directed by Jack Arnold and Ricou Browning underwater sequences, produced by George Sherman and Ivan Tors from a screenplay written by John McGreevey and Frank Telford. The film was rereleased in 1974 under the title SubADubDub as part of the Paramount Family Matinee series.

The group are soon joined by a livein seal named Gladys and a pair of dolphins Duke and Duchess which stay close at hand and fend off unwanted sharks. They are confronted by many obstacles including a rival designer Ken Berry from Undersea Development Inc. who begins to cause problems for the inhabitants of the Green Onion.Meanwhile, the bands single has gotten the attention of record executive Nate Ashbury Roddy McDowall who decides to sign them sightunseen. He takes the liberty of booking them for an important television performance on The Merv Griffin Show without communicating with them first. After learning that they are inaccessible, he proves that he will go to great lengths to reach them since the show must go on. The band gets its airing, and the Navy is alerted by the sounds of the music coming from the sea. As naval fleets swarm in to investigate what must surely be a Communist plot, the movie abruptly ends. ........

Source: Wikipedia