第 9 季 共 23 集
播出时间：2012年9月21日
第 1 集 New Guys
播出时间：2012年9月21日
Two new, young employees throw Dwight and Jim off balance; Andy returns from leadership training with a desire for revenge.
第 2 集 Roy's Wedding
播出时间：2012年9月28日
A toast at Roy's wedding leads to Pam and Jim searching their relationships for buried secrets; Dwight reacts to Nellie's mandatory charity initiative.
第 3 集 Andy's Ancestry
播出时间：2012年10月5日
Andy flaunts his genealogy when he discovers he's related to Michelle Obama. Meanwhile, Darryl struggles in his new post, Dwight teaches Erin a new language to wow her boyfriend's family, and Nellie tries to persuade Pam that Jim's having an affair.
第 4 集 Work Bus
播出时间：2012年10月19日
The staffers hit the road in a rented bus when the building is deemed unsafe. Meanwhile, Nellie reaches out to Andy for help in adopting a baby, and Jim uses pie to spread cheer to Pam.
第 5 集 Here Comes Treble
播出时间：2012年10月26日
It's Halloween in the office and Andy invites his college a cappella group to perform, which leads to a confrontation with his frenemy Broccoli Rob. Meanwhile, Dwight finds evidence that a madman is loose in the office and tries to track him down, and the first meeting of Jim's new job causes a fight with Pam.
第 6 集 The Boat
播出时间：2012年11月9日
Money problems plague Andy's family. Meanwhile, Dwight guests on a local radio show, so the staffers harass him with outrageous phone calls, and Kevin unearths a big secret about Oscar.
第 7 集 The Whale
播出时间：2012年11月16日
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.
第 8 集 The Target
播出时间：2012年11月30日
Angela goes to Dwight for help when she learns that her husband is having an affair. Stanley and Phyllis take advantage of Jim when he needs a favor, and Pete distracts Pam as she begins painting her mural.
第 9 集 Dwight Christmas
播出时间：2012年12月7日
When the party planning committee drops the ball on the annual Christmas party, Dwight gets everyone to celebrate with a traditional Schrute German Christmas. Darryl fears that Jim has forgotten to include him in the new job in Philadelphia. Pete teaches Erin about his favorite movie, Die Hard.
第 10 集 Lice
播出时间：2013年1月11日
Pam accidentally brings lice into the office and lets Meredith take the fall, while Dwight vows to destroy the parasites. Meanwhile, Jim has a fantastic day in Philly wooing a potential business associate. Meanwhile, Phyllis, Nellie and Kevin meddle in Darryl's love life.
第 11 集 Suit Warehouse
播出时间：2013年1月18日
Clark brings an espresso maker to the office. Dwight and Clark pretend to be a father-and-son to land a sale. Darryl goes on an interview at Jim's company, where Pam drops by unexpectedly.
第 12 集 Customer Loyalty
播出时间：2013年1月25日
Dwight tries to stop Darryl from moving to Jim's start-up company. Jim misses his daughter's first recital, to Pam's dismay. Nellie spills the beans about Pete and Erin.
第 13 集 Junior Salesman
播出时间：2013年2月1日
Dwight is tasked with hiring a part-time salesman to be Jim's substitute, so he rounds up a supergroup of his cronies, including his oddball beet-farmer cousin, Mose. Pam is left wondering who her new deskmate will be. Erin seeks her birth parents with help from Pete.
第 14 集 Vandalism
播出时间：2013年2月1日
Pam’s warehouse mural is defaced. Darryl has difficulty dealing with the Jim's cleanliness habits in their apartment. Angela grudgingly allows Oscar and Kevin to attend her son’s first birthday party.
第 15 集 Couples Discount
播出时间：2013年2月8日
The staffers pair up as faux couples to score a Valentine's Day discount at a mall. Erin tells Pete that she'll break up with Andy when he returns, but Pete has his doubts. Jim and Pam socialize with the documentary's soundman.
第 16 集 Moving On
播出时间：2013年2月15日
Pam interviews for a job in Philadelphia, but her potential manager reminds her of her former boss, Michael Scott. Dwight acquires the help of Angela in order to give his elderly Aunt Shirley a bath. Meanwhile, Andy attempts to make Pete and Erin feel uncomfortable.
第 17 集 The Farm
播出时间：2013年3月15日
The adventures of Dwight at his family beet farm and bed-and-breakfast come to light. Here, he and his siblings receive a surprise inheritance. Back at the office, Todd Packer tries to atone for a lifetime of boorish behavior.
第 18 集 Promos
播出时间：2013年4月5日
Everyone in the office is excited when promos start running on TV for the documentary. Dwight makes Angela jealous when he starts dating a brussel sprout farmer. Meanwhile Jim has a big meeting with Major League baseball player, Ryan Howard.
第 19 集 Stairmageddon
播出时间：2013年4月12日
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.
第 20 集 Paper Airplane
播出时间：2013年4月26日
Dwight and Angela participate in a paper airplane contest and compete against each other. Meanwhile, Andy prepares for a potential acting job, and Jim and Pam utilize new skills.
第 21 集 Livin' the Dream
播出时间：2013年5月3日
Dwight becomes regional manager after Andy quits his job, Jim dedicates more time to his Dunder Mifflin job to save his marriage, and Angela has problems with her new living arrangements after her breakup with The Senator.
第 22 集 A.A.R.M.
播出时间：2013年5月10日
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".
第 23 集 Finale
播出时间：2013年5月17日
One year later, Dunder Mifflin employees past and present reunite for a panel discussion about the documentary and to attend Dwight and Angela's wedding.
