The Cleveland Show
The Essence of Cleveland (2x18)
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When Cleveland is reunited with his former high school classmate, "Fatty Patty," who is now skinny, beautiful and still has a crush on Cleveland, Donna becomes extremely jealous and wary of Patty's motives for wanting to be friends with Cleveland. Patty turns out to be a little crazy, and after she tries to steal Cleveland's "essence," Donna goes on the hunt to stop her.