When Ray's house is fumigated for termites, he and the family stay with Frank, Marie, and Robert, and they decide to make their family's lives as crazy as their own lives are made when those three intrude on them at home.
Debra refuses to allow the kids to ride with Frank after he has one too many car mishaps. The change in policy gets Ray thinking about how his parents are finally showing signs of aging.
When Debra hires a well-regarded local babysitter, Marie feels slighted, but after the babysitter seems too popular with her kids, Debra lets the babysitter go and Marie gets her chance to babysit after all. After Marie slips on a toy left on the floor, however, Ray tries, to no avail, to rehire the babysitter.
After Ray embarrasses Debra at an auction, he begins to worry that she's out to get him back.
When her mother comes in for a visit, Debra begins to wish her mother could be like Marie.
Frank accidentally hands out candy coins with rainbow-colored wrapping on Halloween, only to learn that they aren't candy, they're condoms.
Robert moves out of Frank and Marie's house and into a garage when he complains that he has no privacy.
Ray is envious when one of Andy's articles is featured in "Sports Illustrated," but is somewhat relieved when he finds out the magazine reworked Andy's material.
Robert and Amy break up, with Ray getting the blame after telling Robert a few things about what marriage is really like.
When Marie and Frank learn they're not in great shape as they believed, Marie gets rid of all their unhealthy foods and forces the both of them to begin dieting, which causes problems when Marie cooks the whole family a tofu turkey dinner on Thanksgiving.
Ray begins to have feelings of jealousy when he notices that Robert has moved into a building full of beautiful women.
Ray gets upset when he learns that the toaster he gave Frank and Marie for Christmas on behalf of Debra and the kids was never opened but rather exchanged for a coffee maker.
Ray finds out that Frank let him win a game of ping pong as a kid and challenges him to a rematch. After Frank wins the game, Ray tells Frank that he let him win, but Frank admits that he actually wasn't trying to lose that first game.
Ray loses favor with Marie when she finds out that he had a party when he was a teenager that she didn't know about, only Robert is soon on the outs himself when he reveals it was actually his party.
Robert starts dating his African-American police partner, Judy, but she and his family begin to think he's strangely adopting an ethnic persona because of it.
Ray and Robert are asked to make a video tribute for Frank when Frank is given a "Man of the Year" award by his lodge, only during the process, they discover that nobody in the lodge actually likes Frank.
When Frank pretends to be hurt to get out of a cruise with Marie, Ray is plucked as the substitute companion, only confusion ensues when the other vacationers seem to think Ray is Marie's lover.
Ray spends time with his friend Doug while Debra and the kids are at her parents. Later on, when he finds himself alone and feeling afraid, he visits Robert and plants the seeds of fear in him too, and the two soon end up at their parents' house where they comfort each other with memories of Frank's methods of scaring them.
Ray and Robert get a chance to meet the 1969 championship New York Mets team, but Ray blows it when he manages to get them both booted out.
Ray starts sleeping on the couch when Debra smothers his breathing with her bedtime cuddling. Meanwhile, the kids at Ally's school are awestruck at Robert's height when he accompanies her to her class's show and tell.
Ray and Debra realize they're not as interesting as believed when they go on a weekend getaway. Robert feels hurt that Ray hasn't asked him to babysit, but when he does, Robert is miffed to find Marie there to assist him in the task.
Debra gets a part-time job, which aggravates Ray because he now has to help out at home, but when she is fired on the first day, he feels bad and tries to get her her job back.
Ray and Debra decide to be kinder with one another when they realize that they're much friendlier to strangers.
Ray gets upset when he asks Robert to take Debra out swing dancing and the two end up bonding.
Amy and Robert get back together, but end up moving into Ray's basement when Robert's whole building accidentally sees him getting intimate with Amy through his window.
Ray and Debra look back at how they met while getting Ally ready for a playdate.