Aquatic life fanatic Henry Limpet (Don Knotts) falls into the sea and transforms into a fish, quickly becoming pals with a crab and developing a romantic bond with a fetching female fish.

In this animated musical adaptation of the original Mark Twain story, the characters are all from the animal kingdom. Young Tom Sawyer spends his days causing mischief, getting into trouble with Aunt Polly and embarking on adventures with his pals Huckleb...