Calvin Tenner

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.

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.

Michael practices for the birth of Jan's baby by having Dwight go over possible birthing scenarios. Meanwhile, Michael tells Holly that he must pretend to dislike her for Jan's benefit.

The warehouse workers quit after winning the lottery, leaving the upstairs staff to dream of winning big while searching for new employees and temporarily taking on the warehouse jobs themselves.

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.

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.