While Michael and Dwight are out of the office for the day trying to close a deal on a new condo for Michael, Jim and Pam arrange for the staff to participate in an "Office Olympics," where the workers play strange, invented games (among them, Dunderball, Hate Ball...and Pam Pong) that they usually play while the boss is out. At the end of the day, the festivities cheer up everyone - even the oblivious Michael.

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.

Michael meets with all of his underlings to discuss their performance in the office so far. However, Michael focuses more on getting feedback about his relationship with Jan than whether or not the workers are doing their job. Later, a nervous Michael plans to shuffle through the employee suggestion box to steal exciting ideas for his imminent discussion with Jan about his own performance, but that falls apart when Jan asks to sit in on the discussion. Meanwhile, Jim and Pam try to keep Dwight under the wrong impression that the day is Friday instead of Thursday.

Michael starts monitoring the emails sent out in the Dunder-Mifflin workplace, upsetting the employees. Meanwhile, Pam believes that the relationship between Dwight and Angela is more than just worker to worker, Jim throws an office BBQ at his house in order to show his roommate the kinds of people he deals with everyday, and Michael, after annoying everyone at his improv classes, crashes Jim's party with a terrible karaoke number.

Michael is feeling left out after finding out Ryan took a handful of branch managers and even Toby on a wilderness retreat, but didn't invite him. In order to get back with nature, Michael asks Jim if he would consider a camping trip together. Hypothetically, Jim answered yes.

Michael stages an elaborate plan to finally get Pam and Jim over to his and Jan's place for a dinner party. Jim gets trapped into it and agrees to go. Dwight overhears and wants his invitation, too. Michael says he only has six wine glasses and with Andy and Angela going too, there's not enough room for Dwight.

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 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.

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.

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.

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.

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 wants to have a drama-free day at work on his last day before moving to Colorado. Meanwhile, Deangelo Vickers and Andy Bernard scramble to retain Michael's biggest clients.