Wacky Races (1968 TV series) The series is sometimes mistakenly known as "Stop the Pigeon", after the show's working title and theme song. Both series ran for two seasons. In 2006, the pilot for a spin-off series titled "Wacky Races Forever" was produced for Cartoon Network. The series depicted a roster of both new and returning racers competing against each other. Penelope Pitstop and Peter Perfect had married and created Perfect Industries, the corporate sponsor of the new Wacky Races, whereas their children Parker and Piper competed in the race. Other characters included the Slag Brothers, Professor Pat Pending, a teenage version of the Gruesome
The Avengers (TV series) with Rigg, during which she discussed her reasons for leaving the show and Patrick Macnee's reaction to her departure. When Diana Rigg left the series in October 1967, the British network executives decided that the current series formula, despite resulting in popular success, could not be pursued further. Thus, they decided that a "return to realism" was appropriate for the sixth series (1968–69). Brian Clemens and Albert Fennel were replaced by John Bryce, producer of most of the Cathy Gale-era episodes. Bryce had a difficult situation in hand. He had to find a replacement for Diana Rigg and shoot the