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Sky is a mystically-oriented children's science fantasy television serial made for ITV by HTV and broadcast in seven parts from April 7 to May 14, 1975. A mysterious alien boy with strange solid blue eyes, the eponymous Sky, finds himself on Earth. He uses his psychic powers for achieve his goal of ensuring a way back home. Sky finds the very world soul of Earth in the form of nature, only to reject him the way an immune system might an infection. In his quest to return home, he joins his destiny with that of three human children. The serial was written by Bob Baker and Dave Martin, also known for their scripts for Doctor Who and a fantasy television series for children, Into the Labyrinth. Although the series was kept on 2" videotape into the 1990s, during a transfer to film stock episodes 3 and 7 were damaged beyond repair. The series was finally released by Network DVD in May 2009, with the damaged segments replaced by inferior, but watchable, VHS copies of the episodes.