The Office, A.A.R.M. Part 1

After Roy's wedding, Jim and Pam wonder if they still have any secrets they're hiding from each other. Meanwhile, Clark tricks Erin into a "news audition," and Dwight challenges Nellie's new charity initiative.

On Halloween, the Cornell a Capella group visits Andy, Dwight discovers that Nellie takes anxiety pills, and Pam disapproves of Jim's business decision.

The office trains Dwight to sell to a female client without being offensive, only to discover that the client is Jan Levinson. Angela and Oscar think the senator is cheating on them, and Jim has trouble on an important conference call.

Angela orders a hit on Oscar for cheating with her husband, the office makes a tower with their customer complaint cards, Jim wines and dines Stanley and Phyllis in exchange for a favour, and Pam begins her mural.

Dwight puts together a Pennsylvania Dutch-themed office Christmas party, but he ends it abruptly because Jim has to leave for his other job. Meanwhile, Erin seeks comfort from a coworker after a disappointing text from Andy.

Pam causes a lice outbreak but lets Meredith take the blame. Jim has a business meeting with Dr. J, and some coworkers try to get Darryl and Val back together.

Dwight and Clark pose as father and son to get an account, Darryl goes for an interview with Jim's new business, and everybody in the office goes crazy over a new espresso machine.

Dwight tries to keep Darryl from leaving Dunder Mifflin, Jim misses his daughter's recital because of an important business meeting, and Nellie is worried that Erin will dump Andy for Pete.

Pam tries to discover who vandalized her mural, Darryl discovers that Jim is a slob, and Oscar and Kevin go to Angela and The Senator's child's first birthday party.

Andy returns after three months to an angry office and an even more furious girlfriend, and Jim's Valentine's Day with Pam does not go as planned.

Andy finds out that Erin dumped him for Pete, Dwight gets Angela's help taking care of his aunt, and Pam interviews a real estate firm whose boss is a carbon copy of Michael Scott.

In Part Two, Pam interviews for a job in Philadelphia with a manager who gives her deja vu. Dwight brings Angela with him on a mission to clean his elderly Aunt Shirley. Andy returns from his long boat voyage.

The release of the documentary promos creates tension for the Dunder Mifflin employees. Dwight considers a business venture with his girlfriend's family, and Jim and Darryl have an awkward business meeting with a baseball player.

The employees hold a paper airplane competition, Andy gets an acting role in a workplace safety video, and Jim and Pam's marriage tensions continue to build.

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.

Andy tries to work up the nerve to quit his job and pursue his dreams of stardom. Dwight finally receives his karate black belt from his new sensei and has his best day at work.

Dwight prepares for a marriage proposal and hires an assistant for his assistant, Andy auditions for a singing programme, Darryl tries to leave his job without a fuss.

Everyone prepares for the premiere of the documentary. Jim convinces Dwight that he needs to hire an assistant to the assistant to the regional manager. After being turned away at daycare, Angela brings her baby to work.

In the series finale episode, The Dunder Mifflin staff field questions about the documentary before attending Dwight and Angela's wedding at Schrute Farms.