Dennis and Dee's Mom Is Dead It's Always Sunny in Philadelphia : Season 3 Episode 3
TV-MA FXX 22m int(0)
Aired: September 20th, 2007 @ 10:00 PM EST on FXX
After Barbara's death, Dee and Frank are unhappy to learn that she left them both out of the will, while Dennis inherits the mansion which he plans to turn into a party pad.