The Dunphy house is bursting at the seams when Dylan’s hippie mother moves in and Claire’s lonely stepdad wants to pay them a visit. Jay and Gloria attempt to help Manny get over his big breakup with Sherry.
Cameron and Mitchell’s friends mistakenly assume they have split up and have definitely chosen a side. Haley attempts to cook Thanksgiving dinner as a thank you for Claire and Phil’s support with the twins. Jay invites Phil and Dylan out to fly his model plane, and Phil thinks this is his chance to reclaim his dignity after their first outing 10 years ago went so wrong.
Gloria is using her alone time with the twins as an opportunity to secretly baptize them before Haley and Dylan get home. Claire is still dealing with the fallout from the smart closet fiasco. Cam is at war with his school’s mascot who is threatening his chance at securing a new college coaching job.
Phil is determined to finally scare Claire on Halloween. Meanwhile, for the first time, Gloria is feeling self-conscious about her age when someone correctly assumes she is Jay’s wife; and Mitch and Cam head to the WeHo Halloween Carnival after Lily decides to go to her first Halloween party alone.
Mitch and Cam help Lily overcome her insecurities about wearing a bathing suit to a pool party but discover their own. Now that Gloria’s new internship is taking up so much of her time, Jay is feeling particularly neglected.
Phil, Claire, Alex and Luke love having the twins around, but taking care of them is exhausting! However, when they realize the babies might help them with a few things on their to-do lists, they offer to give Haley the day off.
Claire needs to get everyone out of the house before they make her look bad in front of a reporter from an important women’s business magazine. Jay invites Manny to a little wine tasting in an attempt to spend some quality time together.
Haley is determined to follow the advice in her parenting books with the twins, but Phil and Claire think their old methods are better. Meanwhile, Manny is set to direct Jay’s dog bed commercial in the hopes of winning his ex-girlfriend back.
As the birth of Haley and Dylan’s twins approaches we take a look back at how each family member celebrated their birthdays this past year.
Cam finally gets a chance to shine when he is asked to preside over the high school graduation ceremony at the last minute. Jay gives the commencement address. Claire runs into her former high school rival who brings out the worst in her.