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.

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.

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.

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 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.

Charlie takes on Cee Lo Green as a therapy patient.

Martin has Charlie's daughter baptized behind Charlie's back.

Charlie begins seeing a new female therapist who used unorthodox therapy methods; Patrick tricks Ed into thinking he won the lottery.

Problems arise after Charlie has a threesome with his girlfriend and one of her friends, and Lacey uses Jordan's help to try and sell her eggs.

Charlie lets his house become a halfway house for five hookers.

Charlie and Jordan hire a hot tie-breaker to work as their associate on the prison clinic program.

Charlie's dad falls in with a bad crowd.

Jennifer moves in with Charlie temporarily and Kate gets jealous.

Charlie takes the group on an equine therapy retreat.

Charlie inadvertently puts two patients together in a romantic relationship.