The press learns that Sabre printers catch on fire and Jo, suspecting that someone within the company leaked the information, sets out to discover who the whistle-blower is.





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 pre-natal contract.





Michael suspects Donna is cheating on him and puts pi Dwight Schrute on the case. meanwhile, Andy is frustrated when no one takes his customer’s complaint seriously.





Pam’s contractions begin but she is determined to wait it out as long as possible so they can have more time at the hospital, unnerving Jim. Meanwhile the rest of the office tries to distract Pam from the pain with food and entertainment. Michael anxiously waits for Pam and Jim’s baby, Cecilia, to be born. Back at the office, Erin makes Andy jealous when she has lunch with Kevin causing Andy to finally ask Erin out. Dwight and Angela draft a contract to have a baby together, but Dwight has mixed feelings after seeing Isabel at Jim and Pam’s house.





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. Dwight encourages Kelly to try out for the minority training program.





Andy tries to make Erin’s secretary’s day a memorable one. while out to lunch with Erin, Michael accidentally informs her of Andy and Angela’s past relationship. Oscar circulates a video he made which compares Kevin’s voice to Cookie Monster’s.





Oscar arranges a happy hour with the warehouse staff so he can flirt with Matt. Pam is excited to see the staff and brings a date for Michael, but he ends up connecting with the bar manager instead. Meanwhile, Andy and Erin annouce their relationship. Dwight rethinks his pre-natal contract with Angela to pursue Isabella.





When the sales staff lets Sabre’s new “sales is king” policy get to their heads, Michael hides their new, prized leads.





Michael thinks he has impressed Jo, only to discover that someone else in the office has caught her eye. Dwight makes trouble for Jim on his first day back from paternity leave. Andy and Erin go on their first date, with interesting results.





Michael anxiously awaits the baby’s arrival; Erin makes Andy jealous when she has lunch with Kevin.