Summary: The Wacky Adventures of Ronald McDonald: The Legend of Grimace Island (1999). The plot features Ronald and the gang out on a journey to Grimace Island where Grimace's species is discovered. Grimace previously received a letter which was actually written by the pirate One-Eyed Sally and her first mate Blather. The two pirates follow them to capture the treasure on the island.
Director: Jim Duffy
Writers: Mark Zaslove (animation), Eryk Casemiro
Stars: Joe Maggard, Dee Bradley Baker, Verne Troyer
More Information:
IMDB
The Wacky Adventures of Ronald McDonald: The Legend of Grimace Island Includes Free Bonus:
4 hours of TV Commercials from the 1990's ($9.95 value)