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.

During a stressful day at work, Claudia takes a puff of a co-worker's cigarette which quickly turns into an entire cigarette and then a daily habit. Desperate to keep her smoking habit from Sean and the kids, Claudia tries her best to smoke without being found out, but is busted by Lily. Lily makes a deal with her - she won't say anything if Claudia will get her a cell phone and Claudia agrees. Sean thinks that Claudia's bizarre behavior lately has something to do with him, prompting him to buy her the expensive armoire Claudia was admiring recently at the flea market. When her quest for a cigarette leads to her digging through the trash and landing outside Brad O'Keefe's window, she realizes she has hit a new low and swears off her habit. Meanwhile, after setting a date with Dean on her new cell phone, Lily is humiliated to find out Dean heard her gushing about him when the phone didn't turn off.

Sean gets ticked off with Walt, who's playing Santa Claus, when he promises Henry a $350 Astro Jammer Battle Buggy for Christmas. So Sean responds by bringing violence to Santaland. Meanwhile Lily tries to figure out if the blurry giftcard on her boxershorts reads ""from Brad"" or ""from Dean.""

Lily's compulsive credit-card usage sinks Sean's plans to take Jimmy and his friends to a pricey waterpark; Eddie refuses to open up to his family about the contents of his mysterious locked box. (TV Guide)

While Sean and Claudia are chaperoning at Lily's school dance, Sister Helen catches Lily and Dean red-handed with a bottle of liquor while they are making out. Lily insists she is innocent and that the booze is not hers. But it comes as a surprise to both Lily and Sister Helen when the real culprit is revealed. Meanwhile, Eddie has taken to using Walt as his goon to shake down his shady business associates.

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.

When Sean and Claudia win a free weekend in Atlantic City, Eddie offers to look after the boys while they are away. At first suspicious of his offer, they succumb because they desperately want the time away. But when they return from their trip to find Jimmy and Henry locked in the basement, they are shocked to find out that it was Lily and not Eddie who put them there. As Lily tries to explain what happened at home over the weekend, it becomes clear to Sean and Claudia that, surprisingly, Eddie was not such a bad choice to take care of the kids after all, even if he really did have an ulterior motive.

Sean winds up in jail for buying some shady diamond earrings for Claudia from Eddie's so-called ""connection""; Lily protests the nuns's donkey-basketball game.

A home-pregnancy test in the trash has Sean convinced Lily is with child, but it may be Claudia who has something unexpected to tell him. Meanwhile, Lily learns the truth about the musical circumstances surrounding her birth; and Jimmy sings the blues about the zit that is taking over his face.

Things get tense at the bar when Sean hires his high school fantasy girl as the bartender. And Lily freaks out when she tells Dean she loves him at a concert and can't hear his reponse.

Sean and Claudia are shocked to learn that Jimmy has been shoplifting and try to figure out his motivations for stealing. Elsewhere, Lily agonizes over what to wear for dinner with Dean's parents. Brad helps her find the perfect outfit, but Dean's parents turn out to be not so great. Meanwhile, Henry brings home his class's pet lizard.

Claudia wreaks havoc at a wedding reception after losing her glasses -- though it may not be Claudia who lost them. Meanwhile Lily convinces Eddie to persuade Dean to get her the perfect birthday gift; and Brad begins spending way too much time with Jimmy.

Lily winds up with the strangest bedfellow after Dean fails to pitch enough woo on her monumental 16th birthday. Meanwhile, Henry and Jimmy put Sean's shoddy fathering skills to the test with a con-game and a hot-wings binge.

Sean and Eddie hire strippers for the bar to help make ends meet -- then wind up being protested by the PTA. But what's most shocking is who set the PTA on their tails. Meanwhile, Brad asks Lily to break up with Dean. Lily doesn't want to hurt Dean, but agrees, only to find that he takes it far easier than she expected.

Lily resents her ex-boyfriend's ability to move on so quickly after she dumped him; Eddie's stand-up routine flops until he incorporates material from Claudia and Sean's personal life.