Michael feels left out as the rest of the office gossips about the summer interns. While Michael searches for the next juicy rumour to share, Andy struggles with heterosexuality.
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.
David Wallace breaks the bad news that not everyone will get a raise this year. Dwight reaches his breaking point with Jim and looks to the rest of the office for allies. Pam would like cash instead of wedding gifts.
The Dunder Mifflin staff travel 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.
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 apologises to Jim for years of torment with a strange peace offering.
It's Halloween and the office plans a 'Haunted House' for the children in the community. Michael falls into a koi pond at an important business meeting. Meanwhile, Pam and Andy go cold calling to drum up more sales.
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.
Michael's world is rocked by troubling rumours 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. Andy finds that his chief obstacle in courting Erin is his own awkwardness.
Michael gets excited when he's invited by David Wallace to be honoured on stage at the Dunder Mifflin shareholder meeting in New York, and he brings Andy, Dwight and Oscar along for the ride. Meanwhile, Jim has a hard time getting Ryan to do work.
Michael is forced to face the music after he realises he can't keep a promise he made to a group of kids 10 years ago. Meanwhile, Jim starts an employee of the month programme to increase employee morale.
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.
A banker representing a potential buyer comes to the Scranton branch to interview the HR department before the sale goes through.
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 day-care 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.
Sabre's CEO visits and tells Michael and Jim that one of them must take a step down and go back to sales. Andy's Valentine's Day cards leave Kelly thinking she's the one he's interested in.
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 crew try to distract Pam from the pain with food and entertainment.
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. The rest of the office crew try to distract Pam from the pain with food and entertainment. Back at the office, Erin makes Andy jealous.
Michael thinks he impressed Jo only to discover someone else in the office caught her eye. Meanwhile, Dwight makes trouble on Jim's first day back from paternity leave. Andy and Erin have an interesting first date.
When the sales staff lets Sabre's new "sales is king" policy get to their heads, Michael hides their new, prized leads.
Michael gets kicked out of the bar when he whips out all the stops to impress a friend of Jim and Pam's. Meanwhile, Andy and Erin do their best to keep their relationships under wraps. Dwight rethinks his pre-natal contract with Angela.
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 made that compares Kevin's voice to the Cookie Monster.
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 programme.
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.
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 honour their contract.
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.