Liz temporarily moves in with Jeff and Audrey, and quickly irritates Audrey when she takes Jeff's side on everything. Meanwhile, Adam and Timmy team up to beat the rest of the company at ping pong.

Jeff and Audrey ask Russell to provide a list of the names of women he has slept with so they can avoid using that name for their baby. Meanwhile, Adam humiliates himself after he spends a lot of money on a new bicycle and gear.

When Liz decides to have a baby, she turns to Russell as the last resort. Meanwhile, Jeff's advice to Timmy to act like an alpha dog to attract a co-worker back fires.

Jeff makes an effort to change his unhealthy eating habits after he accidentally eats Jen and Adam’s “special” cupcake and lands in the hospital. Meanwhile, Russell forces Timmy to be his wingman when his date brings her mother on their night out.

After meeting up with college friends who are no longer into partying, Jeff and Audrey set out to prove that even with a baby on the way, they can still have fun. Meanwhile, Timmy tricks Russell into accompanying him to a nursing home.

When Audrey bonds with their unborn baby, a paranoid Jeff believes she is trying to form an alliance against him. Meanwhile, Russell plagiarizes a real estate article that Timmy wrote.

After forgetting to make a reservation at a popular restaurant he promised to take Audrey to, Jeff hatches a plan to get in anyway. Meanwhile, Liz and Russell attend a Sex Addicts Anonymous meeting.

After Brenda enlists Jeff and Audrey's help catering a Columbia University event, Audrey tries to impress the attendees, only to discover they are more impressed with Jeff's bartending skills. Meanwhile, Russell is angry when Timmy excludes him from dinner with his parents.

Jeff and Audrey join Adam and Jen's healthy cooking class, but it turns into a competition after Jen insults Audrey's cooking. Meanwhile, Timmy is freaked out by his resemblance to Russell's new girlfriend, Radha.

When Jen discovers that the guys are not planning a surprise bachelor party for Adam as he expects, she forces them to do one for him. Meanwhile, Jen paints a mural for Audrey and Jeff's nursery that turns out to be rather graphic.

Jeff tries to prove to Audrey that Heidi, a college friend, never had feelings for him; his plan goes awry, however, when she hits on him during a visit. Meanwhile, Timmy quits when he discovers Russell has embedded a pet tracking device in him.

Jeff is determined to make Brenda laugh when he discovers that she has a “wee” problem due to her pregnancy. Meanwhile, Timmy is surprised by the professionalism of his new boss while Russell is frustrated with his new assistant.

Brenda goes into labor on Jennifer and Adam's wedding day. Meanwhile, Russell and Timmy make an attempt at reconciliation and Audrey surprises Jeff.