Dick Dastardly and his snickering canine co-pilot Muttley plot to "stop that pigeon" aboard their World War I flying machines in this popular spinoff of Wacky Races featuring the legendary vocal talents of Paul Winchell (Tigger) and Don Messick (Scooby-Doo). When muttering Muttley ("rassuh-frazza-pazza") decides he's finally had enough, he flies off into his own fantasy world where he gets to be the boss for a change!