The title characters are a girl and her dog who are joined by their friends Birdie and Butterfly.
[3] The series has no dialogue but is accompanied by a full musical soundtrack composed by Paul Reade.
However, when shown on Captain Kangaroo in the U.S. in the 1970s the series did have voice-over narration by Cosmo "Gus" Allegretti in his high-pitched "Mister Moose" voice.
[citation needed] There are 50 five-minute episodes and a 20-minute Christmas special, all first shown between 1972 and 1974.
[4] The animation was done by Richard Taylor Cartoons, who were also contracted to make the Charley Says and the Protect and Survive public information films for the Central Office of Information.