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.
Jim Duffy
Director
Vanessa Kaufman
Writer
Eryk Casemiro
Writer
Mark Zaslove
Writer
Jane Reardon
Writer
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)
Lisa Raggio
McNugget #2 (voice)
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