For the holidays, The Simpsons is getting both clean and clean-cut.

As previously revealed and depicted, Martha Stewart will guest star on this classic sitcom's December 5 episode. Then, a week later, Mad Men star Jon Hamm lends his voice and handsome likeness to the series.

Hamm - who has proven his comedic bonafides on Saturday Night Live and 30 Rock - will portray an FBI agent who throws Homer in jail for a long list of criminal offenses.

As always, you can visit TV Fanatic as soon as this episode airs (or anytime!) for an updated section of The Simpsons quotes.

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.