The film relates the story of a boy who flees the boring world of adults into a magical land in the bottom of his bathtub.

The film featured the voices and songs of Peter Belli, Otto Brandenburg and Povl Dissing as well as the jazz music of Kenny Drew and Niels-Henning Ørsted Pedersen.

Benny's Bathtub received a special Bodil Award for animated film in 1971 and is one of the ten films chosen for Denmark's cultural canon by the Danish Ministry of Culture.

[1] The protagonist is a young child named Benny who is bored in his flat building because his parents are too busy to play or chat to him.

In this fantastic world Benny meets pirates, mermaids and an octopus and experiences the things he misses in his daily life.