Haley’s brilliant astrophysicist boyfriend comes to meet the family, setting Claire and Phil off in a competition about which one of them is smarter, making Alex feel self-conscious about her dim but handsome firefighter boyfriend, Bill. Mitch and Cam go on a yoga retreat, but when Cam finds out his dream team, the Kansas City Royals, is having spring training next door, he can’t resist sneaking out.

It’s another epic Halloween full of costumes, tricks and treats for the Dunphy-Pritchett-Tucker clan as they deal with huge, unexpected news.

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.

Dylan and Luke are really impressed with Bill’s tales of heroism and survival as a firefighter, which make Phil feel emasculated. To impress the guys, he invites them over for a little male-bonding moment that goes terribly wrong.

Haley and Dylan’s plan to quietly elope before the babies are born doesn’t go as smoothly as they had hoped. Meanwhile, Jay continues to try and get his new business off the ground by courting an Instagram celebrity.

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.