10. 'The Gang Gets Analyzed' (Season 8, Episode 5)
Frank, Charlie, Mac, and Dennis break in on Dee's therapy session in order to get her psychoanalyst to decide who should've done the dishes after the previous night's dinner. The doc (played by The State's Kerri Kinney-Silver) consults with each of them separately, and comes to some unexpected conclusions — including reassuring Charlie that he's "perfectly normal," so long as he's comfortable in his own skin. (His takeaway: figure out a way to get more skin.) The unusual structure sets this episode apart, as does the way it thoroughly picks apart who these people really are and how they've warped each other.