Everybody demands that Michael fire the new office assistant, but he won't because he's his nephew. Meanwhile, Pam tries to play a prank on Dwight, who has bought the office building, to make up for ruining Jim's prank.
Michael is forced to go through counseling with Toby, Dwight seeks revenge on a local mall that refused his business, and Pam tries to fake her way to a promotion.
Andy invites the entire office to watch him in the community theater production of "Sweeney Todd," but Erin decides to babysit for Jim and Pam instead, and Michael is upset because he auditioned for the lead and didn't get it.
A herpes scare causes Michael to get back in touch with his ex-girlfriends, and he decides to reevaluate those relationships. Meanwhile, Andy tries to teach safe sex to his office mates, but he has a clear ulterior motive.
Michael organizes a sting operation to find out the secrets of a rival paper company's salesman who is stealing Dunder Mifflin's clients, and Andy gets Darryl's help to form a band.
It's Halloween at Dunder Mifflin, and Michael is upset that Darryl went over his head with an idea, and Jim and Pam are obsessed with finding out why Danny didn't call Pam back when they were dating four years ago.
During Jim and Pam's daughter's christening, Michael becomes upset over the lack of family-like unity between himself and his employees. So he responds by impulsively joining a teenage church mission to Mexico.
Michael sabotages Erin's "Glee" viewing party because of his contempt for Gabe, Jim and Pam discover that Dwight can keep their daughter from crying, and Andy has a bad reaction to a mixture of wine and a Japanese stimulant.
Co-workers who invested in Ryan's Internet venture want him to sell, but Michael refuses to go along. Meanwhile, Jim loses his motivation to work when he reaches his commission cap, and Dwight creates a hay festival in the parking lot.
Pam stands up to Dwight when he makes cutbacks to save money in the building, but will Dwight have the last laugh? Meanwhile, the office is surprised and energized when Michael outsmarts Oscar in a debate about China.
Michael throws an elaborate Christmas party to celebrate Holly's temporary return to the Scranton branch, but is disappointed when he learns that she still has a boyfriend.
Michael gets upset when Holly returns from the holidays without an engagement ring, but still together with her boyfriend. Meanwhile, Pam tries to help her co-workers keep with their New Year's resolutions.
Andy tries to host a small business seminar at the office. Michael agrees to help by posing as a Greek entrepreneur, and tries to get Holly to play along.
When Jim gets an emergency phone call from Helene, he is forced to leave Michael in the bathroom of a gas station. Meanwhile, Holly, Erin, and Dwight set out on a journey to find Michael. Pam's artwork starts a captioning contest.
It's Valentine's Day, and the office is fed up with Michael and Holly's PDA, Andy helps Erin solve Gabe's riddles to find her gift, and Jim and Pam get drunk and try to find a place in the office to have sex.
Michael finally finishes his movie "Threat Level Midnight" and screens it for his employees at Dunder Mifflin, but Holly is less than enthusiastic for his finished product.
Everyone is up in arms after Michael convinces Holly to give Todd Packer an office job, and Andy gets upset after Pam gets a new computer for reception but not for him.
Michael plans to propose to Holly the day of the Dunder Mifflin garage sale, but Holly may have to take an extended leave of absence to Colorado because her father is sick.
Michael makes fast friends with the man coming in to replace him at Dunder Mifflin, but later begins to have second thoughts after seeing him in action.
Michael hosts his final "Dundies" as the boss at the Scranton branch, but tension is in the air, and Deangelo Vickers, the new boss, is having trouble with his co-hosting duties.
As the office gets ready for Michael's final day at Dunder Mifflin, Michael doesn't tell anyone that he's leaving a day early. Meanwhile, Deangelo accompanies a nervous Andy on a visit to one of Michael's old clients.
The Scranton branch puts together a search committee to find the next boss, but the pool of interviewees proves to be less than impressive, and Dwight demands an interview in spite of his gun accident.
