1 Season
73 Episode
The Peter Potamus Show - Season 1 Episode 69 Royal Rhubarb
The king of the neighboring kingdom invades because it always rains in his kingdom. He comes with a giant mechanical knight who bashes Yippee, Yappee and Yahooey. But they win in the end.
- Country : United States of America
- Genre : Animation, Comedy, Kids
- Director : Joseph Barbera, William Hanna
- Cast : Daws Butler, Don Messick, Doug Young, Hal Smith, Howard Morris, Mel Blanc