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.
Where to Watch Royal Rhubarb
Cast of Yippee, Yappee and Yahooey - S2 • E9 - Royal Rhubarb
Daws ButlerYahooey
Hal SmithYappee
John StephensonIrving the Undeserving
Doug YoungYippee
Joseph BarberaDirector / Producer
William HannaDirector / Producer
Warren FosterWriter
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