“Mickey’s Monster Musical,” this year’s Halloween-themed episode of Disney Junior’s “Mickey Mouse Clubhouse,” is meant for toddlers and preschoolers, but it also has some tricks and treats for parents ...

JC Chasez put his mouse ears back on — metaphorically — with the former NSYNC member and one-time Mousketeer joining the teen crew of Disney’s “Club Mickey Mouse” digital reboot for a musical special.