Animated character Fat Albert emerges from his TV universe into the real world, accompanied by his friends Rudy, Mushmouth, Old Weird Harold and Dumb Donald. Though the gang is flabbergasted by the modern world, they make new friends, and Albert attempts to help young Doris become popular. But things get complicated when Albert falls for her older sister, Lauri, and must turn to creator Bill Cosby for advice.
Kenan Thompson
as Fat Albert
Kyla Pratt
as Doris Robertson
Dania Ramirez
as Lauri Robertson
Shedrack Anderson III
as Rudolph "Rudy" Davis
Jermaine Williams
as James "Mushmouth" Mush
Keith D. Robinson
as William Henry "Bill" Cosby Jr.
Marques Houston
as "Dumb" Donald Parker
Aaron Frazier
as "Old Weird" Harold Simmons
Bill Cosby
as Self
Omarion
as Reggie
Keri Lynn Pratt
as Heather
Alice Greczyn
as Becky