While everyone else in the office enjoys the spooky Halloween festivities and talks about the staff's costumes, Michael ponders who he should fire when the threat of downsizing becomes a reality and his boss orders him to fire one of his staff. Meanwhile, Jim and Pam put Dwight's resume on job-searching websites, which may make Michael's job a little easier, and Pam encourages Jim to set his goals higher by applying for a better job, which makes Jim consider his friendship with Pam.

Dwight plays the role of Volunteer Sheriff after finding half a joint in the Dunder Mifflin parking lot leading to an investigation. Pam gives Jim a play challenge where he must be silent until he gives Pam a can of Coke.

Ryan returns to Scranton but not to a warm welcome. He is making everyone in the branch come in on a Saturday to re-enter data into the new website. Michael makes it clear that Ryan is the reason they have to come in on the weekend. The rest of the staff aren't happy knowing a computer will be getting credit for all of their sales.

Toby leaves Dunder Mifflin, and Michael plans a huge goodbye party... out of joy. Angela refuses to help with it, so Michael turns to Phyllis. Dwight and Meredith harass Holly, their new HR representative.

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.

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.

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 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.

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.

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.

Michael refuses to fire the new office assistant after everyone complains about his bad attitude. Andy plays it cool after Erin shows interest in another man. Meanwhile, Pam tries to impress Jim by pulling an office prank of her own.

After reading an article about China growing as a global power, Michael decides China must be stopped before they take over the US. Everyone in the office complains about Dwight's building standards and Pam threatens to move Dunder Mifflin to a new building.

Holly and Michael turn Andy's business seminar into an improv challenge. Erin and Gabe compete in a board game battle.

The staff grows increasingly uncomfortable with Michael and Holly's PDAs. Jim and Pam regret a champagne luncheon. Andy horns in on a romantic treasure hunt Gabe arranged for Erin.

Traveling salesman Todd Packer comes to Dunder Mifflin looking for a desk job in the office. However, the office is unsure if they want him to work there due to his previous behavior. After dealing with computer problems, Andy confronts office administrator Pam to get a new computer.

The office holds a garage sale in the warehouse. Michael decides to propose to Holly, and runs into trouble thinking of how to do it well.

Deangelo's new replacement is sought out through a search committee process led by Jim.

The entire warehouse staff quits after winning the lotto, leaving Andy and Darryl to scramble for replacements while several of the office workers get a taste of the warehouse life.

Robert California forces the office to throw a welcome party for Nellie, but the Party Planning Committee works on ways to sabotage it. Meanwhile, Erin tries to help Andy figure out a way to break up with Jessica.

The women of the office try to teach Dwight how to interact with female clients; Angela suspects the senator of cheating; Toby convinces some of the guys to grow mustaches.

The elevator goes out at the office, forcing everyone to use the stairs. Dwight forces Stanley to make a sales call. Pam and Jim talk to Nellie and Toby about relationship problems. Angela supports her man.

Jim convinces Dwight that he needs to choose someone to act as an Assistant to the Assistant Regional Manager; the two subsequently hold tryouts for the position. After her daycare turns away her child, Angela is forced to bring her kid to work. Andy auditions for "The Next Great A Cappella Sensation".