Brad returns from space camp, but while he admits to Lily that he hooked up with Lana, his space camp pal, she neglects to tell him about her rendevous with a coffee shop employee. Meanwhile, Sean must break the news to Claudia about her impending pregnancy, while Eddie tries to get Jimmy off his obsession with life on the road.
Lily and Brad attempt to be friends after breaking up, with Lily accepting a date from another guy and Brad going after the Finnerty's beautiful new neighbor, who is also Jimmy's new crush. Meanwhile, as Claudia starts into her pregnancy, Sean begins to take on the emotional traits of a pregnancy as well, while Eddie gives it another go with a former girlfriend.
Sean gets jealous when Eddie starts spending all of his time with Faye, and begins to critique all of her "faults." Brad is unfazed by Lily's attempts to make him jealous by dating Mocha Joey, when he realizes that Mocha Joey has no common interests with her. Meanwhile, Claudia gets upset when she learns that, thanks to Sean, everyone is aware of her pregnancy.
When Lily becomes jealous of Brad's new girlfriend, she tries to prevent her from becoming the school football team's first female player.
Claudia gets mad at Sean after she learns he has gambled money intended for the baby's crib at the track and used the winnings to buy a brand new TV. When she accidentally breaks the TV, she tries to get it repaired, but to get the money, she must get Eddie to take her to the track, which means that Jimmy is unhappily used as a decoy to keep Sean busy for the day.
Lily sabotages herself while running for school president against Brad, after using Jimmy to try and tarnish Brad's reputation fails to keep her from acknowledging her real feelings about him during one of their debates. Sean finds out the sex of their baby, but Claudia isn't sure if she wants to know. Meanwhile, Eddie's new psychiatrist pins the blame for Eddie's unstable lifestyle on Sean.
After Sean assures Sister Helen he can get an old friend of his, health guru J.J. Bodybuddy to perform at the school, he is soon forced to take on his friend's role, and his identity, when Bodybuddy turns up drunk and incapacitated. Meanwhile, Lily learns that Claudia plans to make her room into the baby's new room, prompting her to audition for the Asian leg of the "Up with People" tour.
Sean and Claudia decide to get other work with the bar heading into some financially rocky times. While Claudia collects medical bill debts over the phone, Sean and, as he soon learns, Eddie compete for a gig at "T.
Feeling unattractive due to the pregnancy, Claudia finds herself perking up when her friend Steve starts flirting with her, a feel-good gesture which soon proves to be an idea conjured up by Sean. Eddie gets help with his comedy material from Lily, but the jokes are ripped off by a competing comedian. Meanwhile, after Jimmy takes an interest in Brad's science group, he quickly learns that the real focus of the group is pornography.
