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.

Lily has reached a womanly milestone that Cam and Mitch are not prepared for – at all – so they call in reinforcements.