Sean (Donal Logue) tries to keep Eddie (Kevin Corrigan) from hitting on a woman (guest star Julie Claire) Claudia (Megyn Price) is consoling after a break-up.

Sean has some explaining to do when Lily’s devastated to discover that she was born out of wedlock.

After the family car goes missing one night, the Finnertys find themselves at an impasse: Sean is in mourning over the loss, while Claudia hopes to gain from a slightly inflated insurance claim. But when the battered remains of the car are towed to the house a few days later, it becomes clear that Lily has been covering her tracks about an ill-fated joyride -- and the reason why her parents have to buy the missing parts from Eddie's maniacal mechanic.

Sean and Eddie revive their old high school band to play a wedding reception, but Sean gets nervous when Lily seems way too interested in their hot new drummer. Jimmy convinces Henry that the reson he can't find baby pictures of himself is that Henry's a robot.

Sean tries to talk a gay co-worker into coming out of the closet before it gets out that Sean has already done it for him. Meanwhile, Lily's ready to rumble for her man after realizing that women keep hitting on Dean.

Sean has a hard time fighting off an amorous Claudia after lying to her that he's finally undergone a vasectomy. Meanwhile, Brad gets a chance to hang out with Lily by paying her to tutor him in a subject he already excels at.

When the dump closes, Walt finds himself with an abundance of free time and begins hanging around the house, much to the dismay of Lily, who finds it increasingly hard to get alone-time with Brad. So she schemes to get him a date online... which turns out to be with a drag-queen. Meanwhile, Eddie finds out that his girlfriend has another boyfriend.

Claudia refuses to include Brad in the family portrait; Claudia's father-in-law (guest star Richard Riehle) gives her plot to his dead cat.

Lily has her doubts when Brad tells her about a girl he once had a relationship with at space camp named Lana. But Brad, tired of Lily thinking this, changes his Summer plans and boards a bus to space camp with a very cute, and very real, Lana.

Brad, after admitting he hooked up with his space camp buddy, Lana (guest star Mila Kunis), begs for forgiveness from Lily until he learns of her infidelity.

Lily becomes insecure when she learns that she's ""not school smart."" So when Brad snags an interview at Yale, she becomes jealous and connives to land her own interview. Sean takes a second job as a limo driver, to avoid doing work at home. Claudia tries to convince her neighbor, Arianna, that the Finnerty clan is not trash. Jimmy seeks advice from his uncle Eddie for his debut in the school production of Tom Sawyer.