Dastardly and Muttley in their Flying Machines (1969 - 1971)

Dastardly and Muttley in their Flying Machines was a Saturday morning cartoon produced by Hanna-Barbera Productions for CBS from September 13, 1969 to September 5, 1971. The show's working title was Stop the Pigeon, and the show's theme song (sung by Dick Dastardly himself) repeats the phrase so often that many viewers mistake that for the show's actual title. Under the working title, Dick and Muttley weren't part of the cast; a chubby, heavy-jowled Red Baron-esque pilot and a dachshund in flying goggles were the central figures. It appeared that those figures weren't going anywhere insofar as development, so Dastardly and Muttley were plucked from Wacky Races for the series.

The show features Dick Dastardly and Muttley, the comic villains from Wacky Races, as World War I flying aces and members of the Vulture Squadron, a crew of aviators on a mission to stop a homing pigeon named Yankee Doodle Pigeon from delivering messages to the other side. The show was unusual in having only two voice actors