Mickey and the Roadster Racers (2017)

S02E20 Grandpa vs. Grandpa

When Auntie Olina asks the Happy Helpers to judge a Hawaiian surfing contest at the Banzai Pipeline, Billy Beagle is the host. Mickey, Donald, Goofy, and Pineapple Patty join the competition themselves. But the Happy Helpers soon discover a fierce lifelong rivalry between Grandpa Kai and Grandpa Beagle. Things take a wild turn when a waterspout leaves the two grandfathers and the Happy Helpers stranded together on a remote island.