Michael regrets revealing that Stanley is having an affair, so he spreads a bunch of lies about everyone else to cover his tracks--except that one of the lies that he spread actually turns out to be true.

A request by Jim leaves Michael feeling insecure and defensive. Meanwhile, Pam deals with the guest list for the wedding, and Dwight convinces Toby to investigate Darryl's worker's comp claim Written by NBC Publicity

Jim discovers just how hard being the boss can be when David Wallace forces Michael and him to determine which employees will be getting a raise.

The Office travels to Niagara Falls to celebrate Jim and Pam's wedding under strict orders not to mention Pam's pregnancy. Michael, Dwight, and Andy all want to hook up with guests at the wedding and Michael and Dwight meet twins.

Pam is forced to deal with an embarrassing injury for Andy the night before her wedding, while Kevin deals with the loss of his dress shoes on the morning of the ceremony.

Michael meets with an insurance salesman that visits the office and is later convinced by Dwight and Andy that he is part of the mafia. Erin accidentally ruins Pam's painting.

Michael shocks Jim and Pam when he reveals the identity of the new woman he has been dating. Dwight apologizes to Jim for years of torment with a strange peace offering. Written by NBC Publicity

It's Halloween and the office plans a Haunted House for the children in the community. And at an important business meeting, Michael falls into a koi pond. Written by NBC Publicity

Jim and Pam are out of excuses so they have no choice but to go out with Michael and Helene. Meanwhile, Dwight is strangely doing nice things for everyone in the office. Written by NBC Publicity

Michael's world is rocked by troubling rumors about Dunder Mifflin. He forces the office into a day of strange diversions, upsetting Jim and leading others to wonder if Michael has gone insane. Meanwhile, Andy finds that his chief obstacle in courting Erin is his own awkwardness. Written by NBC Publicity

Michael speaks out of line at the Dunder Mifflin shareholders meeting and creates a big problem for management, while Jim discovers that nobody in the office thinks he's the real boss.

Michael is forced to face the music after he realizes he can't keep a promise he made to a group of kids 10 years ago. Meanwhile, Jim starts an employee of the month program to increase employee morale. Written by NBC Publicity

Michael is outraged when Jim allows Phyllis to be Santa at the office Christmas party. Jim and Dwight try to get everyone into the holiday spirit despite the uncertainty with Dunder Mifflin. Meanwhile, Oscar has a secret crush. Written by NBC Publicity

A wealthy investor shows and interest in buying-out Dunder Mifflin and, while he visits the Scranton branch, Michael and the office workers go full out in order to impress him. During the visit, Michael reminisces on the good times he has had during his time in the office. Written by Anonymous

When Sabre comes in to take over Dunder Mifflin, Michael struggles to accept Sabre's new policies. Pam and Jim have an interview for a local daycare they really want to get into. Andy and Erin work on a welcome song for Sabre as Erin waits for Andy to ask her out. Written by NBC Publicity

Sabre's CEO wants the Scranton branch to have one manager, and Michael voluntarily steps down and lets Jim become the boss when he finds out that salespeople make more money. However, he soon comes to regret the decision.

Pam's contractions begin but she and Jim are determined to wait it out as long as possible so they can have more time at the hospital. Meanwhile the rest of the office tries to distract Pam from the pain with food and entertainment. Written by NBC Publicity

Michael anxiously waits for Pam and Jim's baby to be born. Back at the office, Erin makes Andy jealous when she has lunch with Kevin. Written by NBC Publicity

It's St. Patrick's Day, and the CEO forces the office to work late because she won't leave. In addition, Michael unsuccessfully tries to suck up to his new boss, and Andy and Erin's first date is delayed because Erin is sick.

When the sales staff lets Sabre's new sales is king policy get to their heads, Michael hides their new, prized leads. Written by NBC Publicity

Oscar gets everybody in the office to go to Happy Hour so that he can hit on a coworker in shipping. Pam tries to set up Michael with a friend at the bar, but Michael's alter ego, Date Mike, threatens to spoil the entire evening.

Andy pulls out all the stops to give Erin a memorable Secretary's Day. Michael reluctantly takes Erin out to lunch and lets slip about Andy's relationship with Angela. Meanwhile, Oscar circulates a viral video he created that compares Kevin's voice to Sesame Street's Cookie Monster. Written by NBC Publicity

Pam and Jim work on their first sales pitch together to Donna, the manager of a local restaurant. But Michael keeps misreading the signals she's putting out. Meanwhile, Dwight encourages Kelly to try out for the minority training program. Written by NBC Publicity

Michael suspects Donna is cheating on him and puts P.I. Dwight Schrute on the case. Meanwhile, Andy is frustrated when no one takes his customer's complaint seriously. Written by NBC Publicity

Michael is surprisingly cheerful after learning some bad news about Donna. The new parents, Pam and Jim, have trouble staying awake in the office. Meanwhile, Angela takes matters into her own hands when Dwight refuses to honor their contract. Written by NBC Publicity

The press finds out that Sabre's printers catch on fire. Jo shows up to the office in hopes of finding out who the whistleblower is. Everyone suspects Andy, who adamantly denies he leaked the information. Written by NBC Publicity