Homer goes to prison after attempting to get out of a series of fines with a bribe, but agrees to a reduced sentence by informing on Fat Tony for the FBI.



(created by), (developed by) | 3 more credits »

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Episode complete credited cast:
Bart Simpson (voice)
Lisa Simpson (voice)
Lenny / Judge Snyder / FBI Man / Mr. Burns (voice)
FBI Investigator (voice)
Fat Tony / Fit Tony (voice)
(voice) (credit only)
FBI Lady (voice)
Karl Wiedergott ...
Additional Voices (voice)


After Homer is arrested for bribing an official on New Year's Day, an FBI investigator offers to reduce his jail time if Homer agrees to go undercover as an informant to investigate Fat Tony. When Homer forges a special bond with Fat Tony and his family, he becomes conflicted between his obligation to the government and his loyalty to his new family. After an unexpected turn of events, Fat Tony's cousin Fit Tony seeks to settle a score with Homer, but winds up teaching him an important lesson. Written by Fox Publicity

Plot Summary | Add Synopsis


Animation | Comedy


TV-PG | See all certifications »




Release Date:

12 December 2010 (USA)  »

Filming Locations:

Company Credits

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Technical Specs


Sound Mix:


Aspect Ratio:

1.78 : 1
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Did You Know?


The violation notice that Lou hands to Homer says "Issuer: MABF19", the production code for this episode. See more »


When Fat Tony, Homer, and the gang are at Luigi's, Luigi asks Fat Tony what he thinks of the sauce. When he asks, Fat Tony's spoon is in the spaghetti. In the next shot, the spoon is at Fat Tony's mouth. See more »


Fat Tony: When I call for my Russian business partner, Yuri Nator, I don't expect to be screamed at like I was some ten year old punk making a prank call.
See more »


Spoofs Wiseguy (1987) See more »


Carol of the Bells
Composed by Mykola Dmytrovych Leontovych (as Mykola Leontovych)
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User Reviews

I thought this episode was great,and to the*Simpson's isn't as good as it use to*people,get lost!
21 March 2011 | by (Ireland) – See all my reviews

Donnie Fatso is a great Simpsons episode,with a great Mob theme.Now to the people that always say the Simpsons isn't as god as it was.Get over it and stop complaining about it if you think that its not good just watch some other crap shows that are on these days and you'll thank god we have The Simpsons,the show obviously is doing something good if its been on the air for more than 20 years.A lot of people were complaining about the Fit Tony thing,this is never gonna be mentioned again it will just be Fat Tony,his death wont be mentioned or neither will his cousin it will be like Fat Tony never died,just like the episode where Principal Skinner turns out to be an impostor.

After Homer gets sent to jail for ten years,he works for the FBI to catch Fat Tony,but Homer starts to become friends with Fat Tony and feels bad about what he is doing.

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