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) in a companion role and excludes minor roles, cameos, flashbacks, and so forth. Also, the table refers solely to adventures with the respective Doctor. Some companions who appear with two or more Doctors appear in separate tables. The following three characters, all associated with UNIT during the Third Doctor's exile to Earth, are sometimes considered his companions despite appearing irregularly during his tenure. A few of the companions have died during the course of the series. Katarina sacrificed herself by opening her airlock to save the others from the mad fugitive Kirksen, and was blown into the vacuum of space.