The Peter Potamus Show

1964–1966· 10 min★ 6.3· Animation, Short, Family

The sixth Hanna-Barbera syndicated cartoon after their departure from MGM starred Peter Potamus (a purple hippopotamus), and his traveling companion So-So (a monkey), who fly back and forth through time in a balloon participating ...

Cast: Daws Butler, Don Messick, Mel Blanc