When an earthquake hits, Claire gets stuck in the bathroom with the plumber; Manny experiences an existential crisis while out with Jay; Mitchell and Cameron use the quake as an excuse to get out of a party thrown by a friend (Nathan Lane).

Luke becomes friends with a curmudgeon old neighbor, which does not please Phil and Claire. Meanwhile, Gloria and Manny try to get Jay to join them at the symphony, but in an attempt to avoid the concert, he instead ends up with Mitchell and Cameron on their "boys' night out" while Haley babysits for Lily.

When the lead in the school's production of "Phantom of the Opera" gets sick, Manny is willing to do anything to land the lead; Phil and Jay wind up in a golf-off with Mitch and Pepper; Gloria and Alex visit a psychic.

Jay and Manny oppose Gloria's decision to hire a male nanny. Phil and Jay try to cheer up Frank. Mitch and Cam ask Pepper to help plan their wedding.

Mitch and Cam’s big day is finally here and nothing can ruin it, until nothing turns into a whole lot of somethings and puts wedding planner extraordinaire Pepper Saltzman to the test. Meanwhile, Jay and Gloria host the Tuckers, Phil squeezes in an eye procedure before the festivities and Claire embraces her role as “best woman".

The wedding day chaos continue as the entire party shifts from one contingency plan to another. Guests start to get testy, Mitchell and Cameron are feeling discouraged and poor Claire shows physical wear and tear, but an unexpected turn of events leads to the ceremony we’ve all been waiting for.

Jay shows Manny how to defend himself whilst Mitch and Cam decide to throw Sal a belated baby shower.

Jay and Gloria are suffering with a lack of sleep after Joe goes through a fussy phase. Claire's balance of life and work is so flawless and easy that her family is getting suspicious. Mitchell and Cameron are poorly treated at their friends' wedding and wonder what they did to deserve it.

Jay’s best friend, Shorty, is back from Costa Rica and stays at the house so they can catch up and reconnect. However, Shorty is spending more time with Gloria and seems to be avoiding Jay. Meanwhile, Alex is ready to shed her good-girl image and is going to prove to Claire that her relationship with Ben is definitely a sexual relationship.

Phil may have conquered his biggest real estate challenge when he thinks he found Pepper his dream home. Meanwhile, in an attempt to connect with Lily, Mitch and Cam get invited to an exclusive event for her favorite vlogger.