"HSMTMTS" Creator Tim Federle Explains Why Season 4 Will Be Its Last

The fourth season of "HSMTMTS" will mainly focus on the making of "High School Musical 4: The Reunion" as the entire East High drama club learns that they will soon participate in the movie as extras. Within the realm of the show, many cast members from the original High School Musical cast are returning in order to make the final film. The show will also "feature songs from the 'High School Musical' franchise as well as original music," per Disney+.