The Perils of Penelope Pitstop is an American animated television series produced by Hanna-Barbera Productions that premiered on CBS on September 13, 1969. The show lasted two full seasons, with a total of 17 half-hour episodes produced and released, the last first-run episode airing on January 17, 1970. Repeats aired until September 4, 1971. It is a spin-off of the Wacky Races cartoon, reprising the characters of Penelope Pitstop and the Anthill Mob. This show airs reruns on Cartoon Network classic channel Boomerang..