[2][3] Wowser is a large, white dog who has a big appetite and lives with his owner Professor Dinghy, a genius inventor.

They live next door to Beatrice, an old lady with an apron; Linda Lovely and her brother Bob; and Ratso Catso, a black-and-white cat who often ruins Wowser's day or sabotages Dinghy's inventions.

A promotional pilot trailer was made by Saban to sell the series, with Doug Lee as the narrator, Jeff Winkless as Wowser and Ratso Catso, Robert V. Barron as Professor Dinghy, and Iona Morris as Beatrice.

[6] Some scenes were removed or edited due to their violent or sexual nature: In the United Kingdom, Wowser aired on ITV and later on Channel 4 in the early and mid-1990s.

In 1990, the series was dubbed in French as Cubitus; it was featured on the programme Avant l'école on TF1, and aired on Super Écran in Quebec.