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) companion, Sarah Jane Smith, together with the robotic dog K-9, appeared in four and two episodes, respectively, of the revived series more than twenty years after their last appearances in the 20th anniversary story "The Five Doctors" (1983). The character of Sarah Jane also headed up a "Doctor Who" spin-off, "The Sarah Jane Adventures", with K-9 until Sladen's death. Another companion, Captain Jack Harkness, is the lead character in the spin-off BBC science fiction programme "Torchwood". Not only have these former companions continued to make appearances on "Doctor Who", they have sometimes been accompanied by some of their own companions