When Carrie insists that Doug figure out how to invest their tax return check, Doug decides to buy an ice cream truck from a stranger.

Things get out of hand as Doug frantically tries to stop a woman who claims to have spent a romantic weekend with him from calling the house.

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.

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.

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.

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.

When Deacon and Kelly buy a vacation home, Carrie is upset because they could have easily afforded it, but they were too cheap.

After almost running over a chicken on the highway, Doug becomes more animal-sensitive and decides to become a vegetarian.

It's Doug's high school reunion, and he's going "Stag", while Carrie relaxes at home and tries to watch a movie with Arthur.

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.

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 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.

With Doug and Carrie moving towards divorce, there are only two options. On a flight to China can they come together to make a double or nothing bet?