Baymax!, the sequel to Big Hero 6, will be on Disney+ on June 29th. The release date was shared by Disney on Friday along with a new trailer for the film. Don Hall said that Baymax just wants to help someone and a lot of times they don't want to be helped. Big Hero 6: The Series ran on the Disney Channel for three seasons and was a 2D animated show. Scott Adsit, Ryan Potter and Maya Rudolph will return as the voices of Baymax, Hiro and Aunt Cass in the new series.