"Big Hero 6" fans rejoice! Disney+ has just released a brand new trailer for "Baymax!", a continuation of the beloved franchise. According to the Mouse House, "the all-new series of healthcare capers returns to the fantastical city of San Fransokyo where the affable, inflatable, inimitable healthcare companion robot, Baymax, sets out to do what he was programmed to do: help others." The six new episodes begin streaming June 29.