Gloria tries to surprise Jay with news on his birthday that she is pregnant, while Phil surprises Jay with a fishing trip. Meanwhile, Mitchell and Cameron debate getting Lily a cat after she loses out on getting a baby brother.
Phil is upset that Luke wants to give up magic, Jay tries to get away from Gloria's snoring, Mitchell does errands as Cameron starts his new job as music teacher, and Alex suddenly becomes more sarcastic.
When Haley is arrested for underage drinking, Phil, Claire, and Mitchell must intervene, leaving Cameron in charge of the kids. Jay's ex-wife, DeDe, makes a surprise visit, and he desperately tries to hide Gloria's pregnancy from her.
While Claire and the kids are away at one of Alex's competitions, one of Cam's friends has a "date" with Phil. Meanwhile, Mitchell has a breakthrough with Jay on a shopping trip, and Cameron gets Jay and Gloria a surprise gift.
Mitchell and Cameron fight to save a tree, Phil and Jay literally come to blows at a kids' birthday party, Claire goes shopping with Gloria--who is suffering from "pregnancy brain," and Alex tries to get an embarrassing photo of Haley.
On New Year's Eve, Jay plays poker with Billy Dee Williams, Phil and Claire try to rekindle their romance, Mitchell and Cameron search for a bar where they fit in, and Haley and Alex stay home to babysit.
Jay and Gloria throw a surprise birthday party for Manny, but their unborn baby may have other plans. Meanwhile, Haley dates a man twice her age, and Cameron becomes jealous of Mitchell and Lily's relationship
Phil and Claire's Valentine's plans land Claire in the emergency room, Jay and Gloria try to be intimate for the first time after the baby, and Mitchell has a wild Valentine's night after drinking and blacking out at his party.
Mitchell and Cameron are co-best men for a friend's wedding, but the bride has cold feet. Meanwhile, Manny has a crush on the nanny, Phil helps Luke get a date, and Claire and Haley go together to Alex's concert.
Phil pulls out all the stops to flip Cameron and Claire's house and avoid embarrassment from a rival realtor, and Gloria is jealous of Manny's. relationship with her ex-husband Javier's new girlfriend.
Cam is jealous of Mitchell's ex-boyfriend, Claire tries to avoid her dad's job offer, Manny has to write an essay about his hero, Phil tries to teach Gloria to skate, and Hayley tries to help Alex flirt with boys.