The Naked Brothers Band: Sidekicks

The Naked Brothers Band: Sidekicks revolves around the end-of-year masquerade party at Amigos Middle School and its overlap with the prom at Amigos High School. The film showcases the band members navigating costume disputes while dealing with romantic entanglements and pranks. Rosalina, a high school student, opts to join the band at the middle school dance instead of attending prom, leading to a series of humorous events.

The plot thickens as Nat, believing he's helping, encourages Rosalina to attend prom with the popular senior Wade Killgallen. This decision spurs jealousy from freshman Patrice Johnson, who insists that Nat be her date. Meanwhile, Thomas and David execute a memorable prank, resulting in Cooper gaining unexpected respect from Ms. Scoggins. The film culminates in a high-energy performance by the Naked Brothers Band at the masquerade party, featuring their song "I Don't Wanna Go to School."