Peter Potamus, Time Traveler

Peter Potamus, Time Traveler is an animated film produced by Warner Animation Group and based on the Hanna-Barbera character Peter Potamus. It is the fourth film in the second phase of the Warner Bros. Hanna-Barberaverse and the fourteenth film overall.

Plot
Peter Potamus is a hippo who discovers that his father had a magical time-traveling balloon. So, Peter and his monkey friend So-So use it to travel into World War I. However, it doesn't take long before they catch the attention of a corrupt pilot named Dread Baron and his dog sidekick Mumbly. They must find a way to travel back to the present.

Cast

 * TBD as Peter Potamus
 * TBD as So-So
 * TBD as Dread Baron
 * Frank Welker as Mumbly

Trivia

 * Dread Baron and Mumbly are from Scooby Doo's All-Stars Laff-A-Lympics.