Deacon finds a new friend and Spence convinces Doug that the reason his has been spending time with him is that he is black; Carrie's mani/pedicurist 'cancels' her.
Carrie discovers that their Chinese baby is ready for adoption, but Doug wants to end the marriage because she didn't give up her apartment in Manhattan. Meanwhile,Arthur is forced to find a replacement bride for his wedding.
Carrie moves to Manhattan but Doug refuses to leave the house in Queens. Ultimately they find the one thing that will keep them together--or so it seems.
Carrie wants to move to an apartment in Manhattan, but Doug wants to stay in Queens. Their impasse makes them realize they have very different ideas about their future.
An unflattering picture by Major prompts Arthur to ask Doug and Carrie for braces. Meanwhile, Kelly hires an out-of-work Spence to help out around the house.
Doug adopts a dog at a block party to look like a better person, without telling Carrie. After Doug turns the dog into him (lazy) the couple tries to find a way to get rid of it.
Deacon and Kelly don't want Doug around Major anymore after he inadvertently scares him, and Arthur begins a new business selling senior citizen services to carpoolers.
Carrie gets upset because one of her fellow secretaries "steals her moxie" and gets a promotion, and everything at IPS falls apart after Doug temporarily takes over the office.
Carrie is finally fed up with Arthur, so she decides to put him in a retirement home. Doug, of course, is excited but after a touching story told by Arthur, Doug tries to decide whether or not Arthur should go.
It's Doug's 40th birthday and Carrie begins to try to make Doug realize that he should start wanting to do more with his life. So Doug decides he wants to ride a roller coaster that he was to afraid to ride when he was younger.
On the party for their eleventh anniversary, Doug and Carrie get a portrait of the two of them from Deacon and Kelly. They dislike it so much they stage a fake robbery to get rid of it.
Doug, Deacon, Spence and Danny all secretly rent an apartment, but soon Deacon, Spence and Danny move out and Doug lives by himself. Carrie tries to sell a condo to Kirstie Alley but it turns out to be more work than she expected.
After Carrie is told she might not get a promotion because of her accent she seeks Spence for help. Doug's mom comes to visit and after seeing her play poker, Doug takes her to Vegas to hustle some people out of their money.