The High School Musical franchise consists of three Disney musical romantic comedy-drama films directed by Kenny Ortega and created by Peter Barsocchini. It stars Zac Efron, Vanessa Hudgens, Ashley Tisdale, Lucas Grabeel, Corbin Bleu, and Monique Coleman. The original film was released simply as a Disney Channel Original Movie, but after its huge success, it was followed by a television sequel. The third film received a theatrical release. Tisdale and Grabeel reprised their roles as Sharpay and Ryan Evans in a spin-off on the series titled Sharpay's Fabulous Adventure, it was a direct to video film. Numerous international versions have been created, plus stage musicals and video games have been released, among other things.Film seriesHigh School Musical (2006)High School Musical was released on January 20, 2006 as a Disney Channel Original Movie (DCOM), and is the most successful DCOM ever produced. The film was Disney Channel's most watched DCOM in 2006, with 7.7 million viewers for its premiere broadcast in the US and 789,000 viewers for its UK premiere. It was the first DCOM ever to be broadcast by BBC on December 29, 2006, and has been viewed by over 225 million people worldwide. The first film's leads were Zac Efron, Vanessa Hudgens, Ashley Tisdale and Lucas Grabeel, who sang most of the songs.