It's Always Sunny in Philadelphia The Aluminum Monster vs. Fatty Magoo (Season 3, Episode 5)
TV-MA
TV Episode | 23 min | Comedy

It's Always Sunny in Philadelphia

The Aluminum Monster vs. Fatty Magoo (Season 3, Episode 5)

TV-MA

TV Episode | 23 min | Comedy

Dee discovers that the biggest loser and fatty from high school is now a successful and thin fashion designer... now making Dee the biggest loser.

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Cast	+ Add Cast
11 cast members

Name	Known for
Charlie Day Charlie Kelly Charlie Kelly See fewer	It's Always Sunny in Philadelphia (2005)
Glenn Howerton Dennis Reynolds Dennis Reynolds See fewer	It's Always Sunny in Philadelphia (2005)
Rob McElhenney Mac Mac See fewer	It's Always Sunny in Philadelphia (2005)
Kaitlin Olson Dee Reynolds Dee Reynolds See fewer	Finding Dory (2016)
Danny DeVito Frank Reynolds Frank Reynolds See fewer	Matilda (1996)
Judy Greer Ingrid 'Fatty Magoo' Nelson Ingrid 'Fatty Magoo' Nelson See fewer	13 Going on 30 (2004)
Rachelle Wood Model Model See fewer	Ghosts of Girlfriends Past (2009)
Michael Marc Friedman Young Cop (as Michael Friedman) Young Cop (as Michael Friedman) See fewer	Dirty Cops (2016)
Tara Erickson Bar Patron Bar Patron See fewer	American Satan (2017)
Priscilla Leona Horne Factory Worker (uncredited) Factory Worker (uncredited) See fewer	Dodgeball: A True Underdog Story (2004)
David Zdunich Ernie the Barfly (uncredited) Ernie the Barfly (uncredited) See fewer	It's Always Sunny in Philadelphia (2005)