High School Musical is the first film from the High School Musical Franchise. It was first shown on the Disney Channel in America in 2006 on January the 20th. At it's time it was the Disney Channels most watched movie with 7.7 million viewers. In the UK it received 789,000 viewers on its first showing. It was broadcast on BBC1 in December 2006 making it the first Disney Channel Film to be broadcast on BBC. Its success lead to High School Musical 2 and then in October 2008 High School Musical 3 : Senior Year was released at cinemas. High School Musical 4 is currently being written but no details on cast or storyline have been announced.