Being publicly outed as a sex addict prompts Jim to do some reflecting.
A friend dies, prompting the guys to further question their own mortality.
The girl of Jim's dreams turns out to be a racist and he can't figure out exactly how bad that is. While he figures it out, Steve and Walter prove that they don't need Jim to get in trouble.
When Jim and Steve go to their high school reunion they find that things are not what they thought, and maybe were not what they thought. Billy joins them, taking the place of an absent classmate.
Some drunken stupidity gets a helpless Billy towed away in the van, leading him into a high stakes game of Chess.
When Jim's mom ends up in the hospital during their visit, the guys spend some quality time together with their fathers...and some hookers.
Jim goes all the way to Afghanistan to get away from his parents. While he and Steve find themselves under fire, Billy finds himself stranded alone with their mothers.
Walter goes missing after walking in on Billy having sex. The boys search for him and discover one of Janice's secrets.
Jim performs a sexual act to get a female executive in Hollywood to help him land roles.
Steve's daughter comes to visit from Cincinnati but a revelation about his ex-wife sends Steve into an out of control bender. His absence forces Jim into the unlikely role of surrogate parent for the weekend.
Janice and Walter stage an intervention to confront Steve's drinking unaware of a coke party Jim has accidentally set in motion in his bedroom.