After Mario defeats them, he is able to get into the park where he finds Wario running with the Music Key. Wario rides on a roller coaster, and Mario follows him. Wario then retreats into a Ghost House filled with Boos. After Mario and Toad escape the Ghost House, they continue following Wario. Then, a Chain Chomp chases Mario.
After Mario and Toad escape the Chain Chomp, they finally catch Wario. Wario then attempts a dance-off against Mario and loses.