Michael tries to motivate the Scranton branch to lose weight as part of an interoffice competition. Jim is lost after Pam leaves for art school in New York, and Angela continues to see Dwight even though she is now engaged to Andy.

Holly leads a business ethics seminar as a result of Ryan's scandal, and when Michael encourages everyone to share their own unethical work behaviors, things get out of hand. Meanwhile, Jim messes with Dwight by requiring him to follow the Dunder Mifflin "Time Theft" policy.

Michael practices for the birth of Jan's baby by having Dwight go over possible birthing scenarios. Meanwhile, Michael tells Holly that he will pretend to dislike her for Jan's benefit.

Michael and Holly have sex for the first time, and Michael holds a fund-raiser for the office after it is burglarized. Dwight confides in Phyllis after Andy and Angela set a wedding date, and Jim runs into Pam's ex-fiancé Roy.

Pam is embarrassed when she is the only person at corporate wearing a costume on Halloween. Holly and Michael take the long trip to Nashua after they get some shocking news from corporate. Meanwhile, Dwight torments Andy and tries to get under his skin.

Dwight and Jim are shocked when they get the results of the annual customer survey report. Pam and Jim decide they want to spend every minute together using their bluetooth phones. Meanwhile, Angela and Andy pick an unusual location for their wedding.

Michael is thrilled when he learns that David Wallace is sending him to Canada for a business trip, and wants to bring both Andy and Oscar with him. Jim misses Pam and he can't wait until she returns from art school.

A mysterious person in the office has made a huge mess in the microwave and will not clean it up. Meanwhile, Michael has to come to terms with the fact that there have been certain personnel changes in his staff without his knowing.

Michael has to spend the office surplus by they end of the day, but he can't decide between a copier or new chairs. Dwight plays a dirty trick on Angela as they prepare for Andy and Angela's wedding on the beet farm.

Phyllis' Moroccan-themed holiday party goes up in flames when Meredith's hair catches on fire and Michael is forced to deal with the accident. Meanwhile, Dwight corners the market on the hottest toy of the Christmas season.

The office is on eggshells because Andy still hasn't found out about fiancee Angela's affair with Dwight. When Michael spills the beans, Dwight and Andy take matters into their own hands. Meanwhile, Michael is nervous about being called down to corporate for a meeting with Wallace.

Michael and Dwight go undercover to do a bit of industrial espionage on a paper company competitor. Meanwhile, the rest of the office holds a debate to settle the question: is Hilary Swank hot?

Dwight must makes amends with the office after his fire safety seminar goes awry; Michael tries to get his employees to relax; Andy becomes convinced that Pam and Jim are film gurus.

Michael goes on a speaking tour of the other branches to explain Scranton's relative success, accompanied by his driver, Pam. Back at the office, Dwight and Jim - now heads of the party planning committee - forget a birthday, with severe consequences. Meanwhile, Andy falls for someone he should not.

Michael and Pam continue their tour of the branches with Michael taking a lesson from their visit to Utica. Dwight and Jim struggle to fulfill their new party planning duties with a grumpy staff. Angela's new cat causes a stir.

A mystery woman at the office blood drive catches Michael's eye. Dwight and Kevin both find women at the "Lonely Hearts Party," while Jim and Pam are forced to leave because of PDAs—so they have lunch with Phyllis and Bob.

Michael's idea to use "Golden Tickets" for prizes for clients causes a problem in the office. Kevin seeks advice from Andy, Jim, and Pam about dating.

Michael has big plans for his 15th anniversary party at Dunder Mifflin, but is in for a shock when the new, no-nonsense Vice President has some ideas of his own. Meanwhile, Jim's prank on Dwight has some unexpected results.

Michael's relationship with the new vice president becomes increasingly tense, as Michael finds an excuse to goof off even more than usual. Meanwhile, Pam faces the challenge of a new copier and Kelly develops a crush.

The situation between Jim and his new boss Charles gets worse when they are competing in a parking lot soccer game. Michael tries to start his new business, but has trouble leaving his house.

Tension and disillusionment begin to emerge as Michael, Pam, and Ryan move the Michael Scott Paper Company into a cramped "workspace" at the business park.

Dwight's loyalty to Michael is tested when he finds a new hero in Charles. Meanwhile, Andy tries to provide for all of Jim's emotional needs.

Michael's new company struggles to make early morning deliveries while the office tries to get their expense reports in on time after Angela enforces Dunder Mifflin's policy.

Michael has to mediate a dispute within his new sales team. Meanwhile, trouble brews in the office when several employees take the term "casual" Fridays too loosely.

Michael decides to open a cafe-disco in his old office. Pam and Jim are planning a secret trip.

At the company picnic, Michael and Holly are reunited for the first time since their split. The rest of the staff competes in games, such as the volleyball tournament.

A few interns who stayed at Dunder-Mifflin over the summer end their internship. Michael announces some potentially damaging gossip about an employee to the rest of the office, then starts to spread false rumours about others to cover up what he has unwittingly revealed.

Michael gets worried after a request from Jim, and Pam's busy with wedding planning. Darryl's worker's compensation claim makes Dwight suspicious.

David Wallace comes bearing the news that not all the staffers will receive a raise this year. Jim pushes Dwight to the limit and causes him to form office alliances. And Pam decides she wants only cash as a wedding gift.

The Dunder Mifflin staff head to Niagara Falls for Jim and Pam's wedding, with the understanding that her pregnancy is a forbidden discussion topic, but Jim's slip of the tongue prods Michael to attempt damage control.

Michael becomes convinced that an insurance salesman visiting the office is a part of the mafia, and Dwight and Andy accompany Michael to a meeting with him. Meanwhile, Kevin accidentally cancels Jim's credit card, while Jim and Pam are on their honeymoon in Puerto Rico.

Jim and Pam return from their honeymoon and discover that Michael is dating Pam's mother, which infuriates her. Meanwhile, Dwight tries to install a recording device in Jim's office, by giving him a wooden mallard as an apology for their long rivalry.

Michael and Jim head off to a meeting and Michael comes back soaked after having fallen in a koi pond. Meanwhile, Pam and Andy, as the two worst salesmen in the branch, have to go cold calling for sales.

Jim and Pam finally go on a double date with Michael and Pam's mother Helene on Helene's birthday, which takes a dark turn when Michael discovers just how old Helene is turning, and breaks up with her. Meanwhile, Dwight offers to do nice things for all the members of the office so that they will owe him a specific favor, but Andy ruins his plans.

Rumors spread that Dunder Mifflin is in financial trouble, so Michael tries to distract the office by having everyone play a murder mystery game called Belles, Bourbon, and Bullets. Meanwhile, Andy uses the game as a way to ask out Erin, but fears he may have asked out Erin's character, instead of Erin herself.

Michael speaks out of line at the Dunder Mifflin shareholders meeting and creates a big problem for management, while Jim discovers that nobody in the office thinks he's the "real" boss.

Michael and Erin meet "Scott's Tots", a group of local teenagers whose college tuition was promised in one of Michael's grand delusions ten years prior. Meanwhile, in Michael's absence, Dwight convinces Jim to start an employee-of-the-month program with the intention of sabotaging Jim.

Michael gets upset when Jim promises Phyllis that she can be the office Santa, but the office Christmas party may be overshadowed by some bad news from David Wallace.

A banker representing a potential buyer comes to the Scranton branch to interview the H.R. department before the sale goes through.

Michael hates the changes that Dunder Mifflin's new owner is implementing, so he turns to David Wallace for advice. Jim and Pam find the perfect day care center, but Jim's mistake threatens to ruin the interview.

Sabre's CEO wants the Scranton branch to have one manager, and Michael voluntarily steps down and lets Jim become the boss when he finds out that salespeople make more money. However, he soon comes to regret the decision.

Pam’s contractions begin but she and Jim are determined to wait it out as long as possible so they can have more time at the hospital. Meanwhile the rest of the office tries to distract Pam from the pain with food and entertainment.

Michael thinks he impressed Jo only to discover someone else in the office caught her eye. Meanwhile, Dwight makes trouble on Jim's first day back from paternity leave. Andy and Erin have an interesting first date.

When the sales staff lets Sabre's new "sales is king" policy get to their heads, Michael hides their new, prized leads.

Michael gets kicked out of the bar when he pulls out all the stops to impress a friend of Jim and Pam's. Meanwhile, Andy and Erin do their best to keep their relationship under wraps. Dwight rethinks his pre-natal contract with Angela.

Andy pulls out all the stops to give Erin a memorable Secretary's Day. Michael reluctantly takes Erin out to lunch and lets slip about Andy's relationship with Angela. Meanwhile, Oscar circulates a video he created that compares Kevin's voice to Sesame Street's Cookie Monster.

Pam and Jim work on their first sales pitch together to Donna, the manager of a local restaurant. But Michael keeps misreading the signals she's putting out. Meanwhile, Dwight encourages Kelly to try out for the minority training program.

Michael suspects Donna is cheating on him and puts P.I. Dwight Schrute on the case. Meanwhile, Andy is frustrated when no one takes his customer's complaint seriously.

Michael is surprisingly cheerful after learning some bad news about Donna. The new parents, Pam and Jim, have trouble staying awake in the office. Meanwhile, Angela takes matters into her own hands when Dwight refuses to honor their contract.

The press finds out that Sabre’s printers catch on fire. Jo shows up to the office in hopes of finding out who the whistleblower is. Everyone suspects Andy, who adamantly denies he leaked the information.