A mysterious letter summons Grimace to his namesake island, launching an epic rescue mission alongside Ronald McDonald and friends. Navigate treacherous waters, outsmart ruthless pirates, and face colossal sea creatures in this 1999 animated adventure. As danger mounts, Grimace discovers an inner strength he never knew existed. Directed by Jim Duffy, featuring the voice talents of Jack Doepke, Dee Bradley Baker, and Verne Troyer.