'Don't Worry, Speed Racer' - Season 4, Episode 13
Jake shares that he has heard his mother having sex with her fiancé, Herb; this revelation brings up a repressed memory for Charlie. This leads Charlie to seek help from Rose.
Air Date: January 21st 2007.
Charlie: (To Alan). Let's not forget how I convinced you that mom's douche bag was your air supply.
Charlie: (To Alan). I'll tell you what's unnatural—the look on that melon's face. Fruit should not look surprised.
Jake: I bet monkeys like banana cream pie.