Ben 10 (2016) (2016)

S3E30 The Claws of the Cat

As Ben enjoys the vibrant atmosphere of a Rio de Janeiro music festival, he feels uneasy about Gwen's offer to become his new sidekick. However, when the festivities are endangered by the powerful supersonic waves unleashed by Lord Decibel, Ben realizes he needs to team up with Gwen and Max to take down the formidable villain.