Crystal Tipps and Alistair Crystal Tipps and Alistair Crystal Tipps and Alistair is a British cartoon produced for the BBC. The title characters are a girl and her dog who are joined by their friends Birdie and Butterfly. There are 50 five-minute episodes and a 20-minute Christmas special, all first shown between 1971 and 1974. It was created by Hilary Hayton and Graham McCallum. Michael Grafton-Robinson, a BBC producer went independent setting up Q3 of London to produce the series. The animation was done by Richard Taylor Cartoons, who were also contracted to make the Charley Says and the Protect and Survive public information
Companion (Doctor Who) and "Battlefield". He and Sergeant Benton began as returning characters in the first place, having appeared with the Second Doctor in "The Web of Fear" and again in "The Invasion", prior to starting their full-time association with the Third and Fourth Doctors. Tegan Jovanka was the first full-time companion to part from the Doctor and subsequently return to full-time companionship, although the break in her tenure had been pre-planned. Most reappearances of companions in the original series, however, were for anniversary specials such as "The Five Doctors" and "Dimensions in Time", both of which also featured multiple Doctors. One former