The Wacky Adventures of Ronald McDonald: The Legend of Grimace Island
By Jim Duffy 
 AnimationComedyFamilyFantasy
1999  40min
 Synopsis
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 captain One-Eyed Sally and her first mate Blather. The two pirates follow them to capture the treasure on the island.
Main Casting
Jack Doepke
Ronald McDonald / Ronald McDonald (voice)
 Dee Bradley Baker
Sundae (voice)
 Verne Troyer
Sundae
 Christine Cavanaugh
Birdie (voice)
 Charlie Adler
Hamburglar / McNugget #3 (voice)
 Kevin Michael Richardson
Grimace / King Gunga (voice)
 Alex D. Linz
Franklin (voice)
 Pamela Adlon
McNugget #1 (voice)
Ratings
Technical team
Jim Duffy Directing
Mark Zaslove Writing
Eryk Casemiro Writing
Jane Reardon Writing
Vanessa Kaufman Writing
Mark Mothersbaugh Music
Robert Mothersbaugh Music
Jane Reardon Producing
Arlene Klasky Executive Producing
Gábor Csupó Executive Producing
Production
Klasky-Csupo
McDonald's