22x09 Donnie Fatso
First Aired: Dec. 12, 2010 on FOX
Summary: Homer spends New Year’s Eve in the Springfield Penitentiary after getting caught bribing an official. An FBI investigator (guest voice Hamm) offers to reduce his jail time if Homer agrees to go undercover as an informant to investigate Fat Tony (guest voice Mantegna).
Guest Stars[no credits found]