Animated character Fat Albert (Kenan Thompson) emerges from his TV universe into the real world, accompanied by Old Weird Harold (Aaron Frazier), Dumb Donald (Marques B. Houston) and Mushmouth (Jermaine Williams). Though the gang is flabbergasted by the modern world, they make new friends, and Albert attempts to help young Doris (Kyla Pratt) become popular. But things get complicated when Albert falls for her older sister, Lauri (Dania Ramirez), and must turn to creator Bill Cosby for advice.
