Rules of Engagement

In the fifth-season opener, Jeff and Audrey are surprised by some news about their potential surrogate mother, Pam.

Jeff tells Adam that he keeps a list of all the mistakes Audrey has made; Russell sends an inappropriate e-mail to a coworker Timmy is fond of.

Audrey gives her rug to Jenn and Adam, and Jeff is upset by the prospect of buying a new rug. So, he tells intimate stories involving the rug, hoping Jenn and Adam will want to give it back.

Audrey thinks she needs to shake things up in the bedroom; and Russell invites Timmy on a trip, hoping he'll keep his mind off of his flying phobia.

Audrey wants to quit her job when she realizes it makes her unhappy; and Allison tells Timmy that their relationship is moving too quickly.

Audrey starts her own cookie business after she gets bored with not having a job; and Timmy tries to fit in with the other guys.

Jeff and Adam invent a game involving the heads of mannequins; and Russell and Timmy double-date.

Jeff and Audrey find a surrogate, and Russell's mother (Joan Collins) visits him.

Russell moves in with Timmy when he's cut off from his trust fund; while Audrey helps Jeff make a good impression on his boss.

A sheepish Jeff asks coworkers to sponsor Audrey's 10K charity run after he's told them not to include him in office fund-raisers.

Russell's utilities are cut off in his apartment, and Timmy gives him a lesson on budgeting. Meanwhile, Audrey becomes a mentor to someone who wants to learn the publishing business.

Russell takes Adam's idea for holiday gift-giving, surprising everyone in the office; and Audrey is determined to make people laugh at Jeff's holiday party.

Jeff is jealous when he learns that Audrey's home Pilates instructor is a man.

Russell takes his date to see a performance by Criss Angel (who appears in a cameo), and Angel makes the woman disappear; and Audrey makes a mistake by telling Brenda's girlfriend that Brenda will be her surrogate.

Timmy joins an A Cappella group, and tries to keep it a secret from Russell; Jeff and Audrey's new neighbor annoys them.

Jeff creates "Jeff Day," a day when he gets his way, but his plan is foiled by the cleaning lady; and Adam can't figure out why his eye is twitching.

Jeff, Audrey and Brenda go to a fertility specialist and discover a zygote; and Russell and Timmy go on a double date.

Jeff surprises Audrey by remembering their anniversary, but he's the one who's surprised; and Timmy acts as Russell's interpreter on a date.

Russell learns that Timmy has a sister, and he tries everything to impress her; and Audrey and Jeff set Liz up on a date.

Jeff and Audrey get the news that Brenda is pregnant; and Timmy becomes Adam and Jen's wedding planner.