The cast of ‘Hidden Heroes: A Descendants Story.’ Disney Channel and Disney+ announced a brand-new spinoff movie set in the Descendants franchise. The film, called Hidden Heroes: A Descendants Story, has been greenlit and goes into production this month. This new film centers on the descendants of classic Disney sidekicks. “With Hidden Heroes, we’re finally putting the sidekicks center stage, because they’ve always been an essential part of Disney’s greatest adventures.