The 24th film in the Walt Disney Animated Classics series is loosely based on the 1967 novel by Daniel P. Mannix and marks the turning point where animator Don Bluth left Disney to form his
High School Musical is a genuine phenomenon. After a 2006 made-for-TV movie and a 2007 direct-to-video sequel proved to be huge hits, Disney decided to make a third film for the big screen. HSM doesn’t