Mia comes back to town along with her new boyfriend, who acts as her manager as well.

Hank and Karen attend an end-of-semester mixer, where the girls team up to bash Hank and Dean Koons wants to duel him.

When Charlie loses his job, Hank takes him out to town.

When Becca and her friend Chelsea get into a brawl on campus, it leads to the revelation of one of Hank's affairs. In the meantime, Charlie risks his job trying to hold Marcy off drug addict Rick Springfield.

A night with his student Jackie and two strippers leads to a bad awakening when Charlie, Rick Springfield, Jill, Felicia, as well as his boss show up at Hank's apartment before the girls can leave.

Hank's attempts to set things right with Karen lead to even deeper entanglements with the campus ladies. In the meantime, Charlie tries to prevent Sue's top client from leaving the agency and Becca scolds Hank for being a terrible role model for her.

Trouble with Becca and her friend Chelsea interferes with Karen's visit who wants to reunite her family.

Becca pays Karen a visit in New York for the weekend and Hank is left on his own, until his old friend Mike Zlosowski from Long Island shows up. Together, the two have a great time at Sue Collini's party. In the meantime, the revelation of a secret interrupts abruptly Charlie and Marcy's regained sex life.

Becca develops a new and more adult fashion sense which Hank doesn't approve. In a strip club, Hank believes to reveal a student's secret life.

At a university mixer, Hank comforts his assistant who was dumped in his very own way and Charlie celebrates his first talent signing.

After a job offer by Felicia Koons, Hank starts working as college professor and soon gets into trouble, while Charlie interferes with Marcy's romantic life.

With Karen gone, Hank has to deal with a more and more rebellious Becca, but also gets to know Dean Stacy Koons and his family.