All 26 episodes of season 6, with a short summary of each.
Michael discovers Stanley's affair with a nurse and spreads multiple fake rumors to cover it up. One of his fake rumors, that Pam is pregnant, turns out to be true.
Jim secretly meets with David Wallace to pitch himself for a promotion, but Michael inadvertently sabotages it. Jim and Michael are made co-managers of the Scranton branch.
Jim and Michael clash over how to handle employee raises with a limited budget. They devise a controversial bean-based system to allocate raises, turning the office against them.
The office travels to Niagara Falls for Jim and Pam's wedding. Michael and Dwight try to meet women at the hotel while guests cause problems at the rehearsal dinner.
Chaos ensues at the wedding ceremony as Andy tears his scrotum dancing and coworkers recreate an internet video in the aisle. Jim and Pam sneak away to exchange vows privately on the Maid of the Mist.
Andy and Dwight convince Michael that an insurance salesman visiting the office is a mobster. Meanwhile, Kevin uses Jim's office and does a terrible job of keeping Jim and Pam's honeymoon from being interrupted.
Pam is furious when she discovers Michael is dating her mother, Helene. Dwight plants listening devices in Jim's office as a supposed peace offering.
Michael falls into a koi pond during a client visit and the office ridicules him relentlessly. Security footage reveals Jim actually let Michael fall instead of catching him.
Jim and Pam reluctantly go to lunch with Michael and Pam's mother Helene. Michael breaks up with Helene at the restaurant after learning it's her birthday and realizing her age, and Pam slaps him.
Amid rumors that Dunder Mifflin is going bankrupt, Michael distracts the office with a murder mystery game called Belles, Bourbon, and Bullets. Andy uses the game as cover to ask Erin out.
Michael makes unauthorized promises at Dunder Mifflin's shareholder meeting, creating problems for management. Jim struggles to be taken seriously as co-manager when Ryan ignores his authority.
Michael must face a class of high school seniors he promised ten years ago to pay their college tuition if they graduated. He can only offer them laptop batteries instead, while Dwight schemes to undermine Jim.
Michael is upset when Phyllis plays Santa at the Christmas party, so he one-ups her by dressing as Jesus. The office learns that Dunder Mifflin has been sold to Sabre, a printer company, amid corporate leadership upheaval.
An investment banker visits the branch to evaluate Dunder Mifflin for Sabre's acquisition, and Toby downplays the office's many liabilities. The episode revisits key moments from the series through flashbacks.
Sabre officially completes its acquisition of Dunder Mifflin and CEO Jo Bennett visits with her Great Danes. Michael and the staff adjust to new corporate policies, including a no-cap commission structure for salespeople.
Jo Bennett decides the branch only needs one manager, forcing Jim and Michael to choose who steps down. After some back and forth, Jim returns to sales while Michael stays as sole manager.
Pam goes into labor at the office and tries to delay going to the hospital to avoid an extra night's stay. Her contractions intensify while Jim tries to convince her to leave.
Jim and Pam welcome baby Cecelia Marie Halpert at the hospital. Back at the office, Dwight and Angela draft a bizarre procreation contract.
Jo Bennett's visit forces everyone to stay late on St. Patrick's Day despite wanting to celebrate at the bars. Darryl impresses Jo with a shipping improvement idea and earns a promotion to an upstairs office.
Michael hides valuable sales leads from the salespeople after they start bossing around the rest of the office. The sales staff goes on a scavenger hunt to recover the leads from hiding spots around town.
The office goes to happy hour where Michael's alter ego "Date Mike" ruins Pam's attempt to set him up with her friend. Andy and Erin try to keep their new relationship a secret from their coworkers.
Andy goes all out to give Erin a special Secretary's Day, but Michael accidentally reveals that Andy was previously engaged to Angela. Oscar circulates a viral video comparing Kevin's voice to Cookie Monster.
Michael misreads flirtatious signals from Donna, a restaurant manager he and Pam are pitching as a client. Jim and Pam disagree over whether Donna is actually interested in Michael or just being professional.
Michael suspects his new girlfriend Donna is cheating on him and sends Dwight to investigate. Dwight confirms Donna is married, but Michael initially refuses to believe it.
Michael continues seeing Donna after learning she's married, making him the other man. Dwight and Angela take their baby contract dispute to an arbitrator, and new parents Jim and Pam can barely stay awake at work.
Jo Bennett hunts for the person who leaked to the press that Sabre printers are catching fire. Multiple employees confess to spreading the information, and the investigation strains office relationships.