Mickey's 60th Birthday (1988)

This film combines live-action, original animation, and library animation. Mickey steals a magic hat from a Sorcerer and is put under a spell by the angry magi so that no one will recognize him until he finds his own magic within. While Mickey is on his quest, network news teams around the country desperately try to find the famous, beloved mouse who has mysteriously disappeared. On his quest, Mickey goes into the "Cheers" bar, meets up with the characters from "Family Ties", and winds up on Disneyland's Main Street the night before his birthday celebration is to take place. It is there that he finds he has all the magic inside him that he will ever need. The spell is broken and the birthday bash commences as the whole world celebrates the beloved Mickey Mouse.