Royal Rhubarb The Peter Potamus Show : Season 1 Episode 69
TV-G Syndication 30m
Aired: January 9th, 1966 @ 7:00 AM EST on Syndication
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.
