After the destruction of the Twelve Colonies of Mankind, the last major fighter carrier leads a makeshift fugitive fleet in a desperate search for the legendary planet Earth. This film is adapted from a television series that aired on ABC from September 17, 1978, to August 17, 1980. The first and fifth episodes of the series were edited into this theatrical feature film. Taken together, the two episodes ran 148 minutes, without commercials, while the film runs 125 minutes.

Though Eddie’s fired right at Christmastime, his boss sends him and his family on a South Pacific vacation, hoping Eddie won’t sue him after being bitten by a lab monkey. When the Tuttle family winds up trapped on a tropical island, however, Eddie manages to provide for everyone and prove himself a real man.

Told from Mowgli’s point of view, it’s the story of how a boy became a mancub and a mancub became a man.