Charlie is inspired to start a new clinic at the prison after Jordan wrecks their sex study.

Charlie sleeps with the girlfriend of a violent prisoner in his clinic, only to find out that the prisoner is being released the next day.

Charlie tries to stop Kate from having sex with the executive in charge of funding their study; Charlie's dad tries to stop Lacey from throwing herself at a sleazy yoga instructor.

When Charlie keeps choosing sex over work, Jordan convinces his girlfriend, Sasha, to cut him off for six months.

Charlie goes ballistic when a drunk Jordan makes out with a prisoner.

Charlie tries to keep Lacey from hooking up with a dangerous ex-con.

Charlie surprises his therapy group by bringing their dysfunctional parents to a session.

Charlie and Kate are ready to sleep with the right people to get funding for their sex study.

Charlie seeks his prison group's help when his partying ways result in him getting arrested.

Kate steals a patient from Charlie, fueling the competitive rivalry between the two therapists.

Charlie falls for Jen's hot new business partner, Lori - played by Charlie's real-life ex, Denise Richards - only to find she thinks therapy is a scam. In the therapy group, Patrick asks Charlie to counsel the angry ghost of his mother, who he believes is haunting his apartment.

Charlie and his ex, Jennifer, are having an issue with how Charlie still tries to manage her life when Cleo - one of Charlie's patients from his prison anger therapy group - shows up on his doorstep, fresh out on parole. Jennifer decides to get back at Charlie by dating the ex-con.

Charlie wonders if his father is developing Alzheimer's.

Charlie goes too far when he gets jealous of Jennifer's much younger boyfriend, Canvas. Meanwhile, Patrick helps Lacey look sexy for her first modeling gig.

Charlie accepts a new patient, a pimp named Ray James II, into his therapy group. After Charlie sleeps with a young woman called Sasha (Anna Hutchison) who approached him at the bar, she reveals that she's a hooker and that Ray sent her as payment for his sessions. Meanwhile, Lacey, Nolan and Ed are creeped out by Ray, and attempt to hold their own self-help session without Charlie present.

Charlie asks for a second chance with the woman to whom he lost his virginity, and Lacey and Patrick try to keep up appearances when Lacey's parents pay a surprise visit.

When Charlie breaks it off with a police officer he's been dating, she abuses her power to make his life miserable. Meanwhile, Jordan struggles to establish a casual sex relationship with Sean.

Charlie - a baseball player with anger issues turned anger management therapist - decides to return to therapy after a bad run-in with his ex-wife's new boyfriend. The only problem is he just happens to be sleeping with the one therapist he trusts: his best friend, Kate.

After Charlie and Kate have sex, he innocently asks her if she wants to go to a movie. Kate interprets this as a romantic gesture, rushes to fix him up on a date the next day with someone else and the two are forced to exam the nature of their odd relationship. At home, Sam kisses a girl at school and a picture of it ends up on Facebook.

Charlie dates Jennifer's business partner and finds out she has sexual anger issues.

Charlie is forced to hire a new psychologist to replace Kate in his sex study; Jennifer and Lacey trick Sean.

Charlie is pursued by a hot reporter who wants to experience his sex study.

Charlie almost destroys Ed's marriage; Jordan hits on Nolan.

A matchmaker sets up Charlie and Sean with the wrong dates.

Charlie gets an unexpected visit from his hyper-critical, bullying father. In the therapy group, Charlie attempts to help Lacey with road rage.