The King of Queens - Season 4 (2001)

The friendship between Doug & Carrie and Deacon & Kelly is seriously tested when Doug smashes Deacon and Kelly's car.

Carrie brings Doug to her company retreat for the weekend. Carrie tries to get Doug to look like a successful person, but he puts on a bad show.

Arthur has a minor heart attack after being frightened by Doug on Halloween.

While Arthur is in hospital, Carrie starts doubting that she still loves him. After looking in his room and finding a letter sent by her university accepting her onto a course, It's revealed that he hid this for his own selfish reasons.

Doug and Carrie decide to install a hidden camera in the basement to monitor Arthur.

In this episode, the time is set prior to Doug and Carrie's marriage. Carrie is very nervous to be married to Doug. She can not stop vomiting. When the two meet with the priest, he remembers that Doug and Carrie met at camp as kids.

When Doug and Carrie's plane makes a rough landing, Doug takes the oxygen mask all for himself. However, their plane was on the ground.

Carrie's boss requests her to get Doug to be an expert witness in a court case, however, Carrie feels unsure on how he will do.

Doug and Carrie want to conceive, but receive another negative pregnancy result.

Carrie grows jealous when Spence's girlfriend recruits Doug to test her culinary work.

Deacon asks Doug to come along to Atlantic City for a weekend. Carrie wants to go salsa dancing with him, but grudgingly concurs with Doug's wishes and goes with them to Atlantic City.

Deacon and Kelly are still separated and Doug takes a very depressed Deacon to some clubs. Doug really gets in the groove and makes a habit of it, with or without Deacon.

Doug and Carrie sneak off to New Orleans without Doug's cousins after reneging on a deal to travel with them. The trip turns into a struggle to stop the family members knowing.

Carrie's work has an annual golf trip, but Doug and Carrie used to always take Deacon and Kelly. Now that Deacon and Kelly have split up, Doug and Carrie have to try to find another couple to invite to the golf trip.

Uncle Stu is willing to pay for Doug's dream: his own sandwich shop! Carrie doesn't think this is a good idea but is afraid to tell Doug.

Doug's parents are visiting for a week while Carrie is on a business trip. At his work, Doug learns all personnel will have to take a test.

Doug discovers Carrie is much more fun if she drinks a cocktail, or two...

Doug and Spence have attend a high school reunion, but Spence doesn't want to go because he had a relationship that ended very badly. Doug is looking forward to the reunion, until Carrie starts wearing a new hairdo.

Doug and Carrie donate enough money to Kirby's school library to become patrons of it. However, on the plaque they're only listed as friends.

Doug takes a one hundred dollars from his and Carrie's savings stash to bet on boxing.

When it turns out that Doug's new dentist once had a crush on Carrie, Doug thinks he hurts him on purpose.

Carrie's and Arthur's constant fighting is starting to frustrate Doug, so Arthur is taken to a therapist (William Hurt) to discuss why he has to yell and act up all the time.