Donnie Fatso

"Donnie Fatso"
The Simpsons episode
Promotional image for the episode
Episode no.Season 22
Episode 9
Directed byRalph Sosa
Written byChris Cluess
Production codeMABF19
Original air dateDecember 12, 2010 (2010-12-12)
Guest appearances
Jon Hamm as the FBI Agent
Joe Mantegna as Fat Tony and Fit Tony
Episode features
Chalkboard gag"Candy canes are not elf bones"
Couch gagThe Simpsons on the couch is depicted as an Advent Calendar.

"Donnie Fatso" is the ninth episode in the twenty-second season of the American animated television series The Simpsons. It was written by Chris Cluess and directed by Ralph Sosa. "Donnie Fatso" revolves around an FBI agent (Jon Hamm), who helps Homer Simpson (Dan Castellaneta) go undercover to infiltrate Fat Tony (Joe Mantegna)'s mob. Homer agrees to help the FBI in order to reduce his prison sentence on a bribery conviction. The plot and title of episode features references to the 1990s gangster films Goodfellas and Donnie Brasco.

"Donnie Fatso" first aired on FOX in the United States on December 12, 2010. Upon its initial airing, the episode received 7.32 million viewers and with a 3.2/8 rating share in the 18-49 demographic. For their work on the episode, Castellaneta and Cluess were nominated at the 63rd Primetime Emmy Awards and the 64th Writers Guild of America Awards respectively. The death of Fat Tony was met with mixed reaction from critics who found it effective while unnecessary.