Ameenah Kaplan

Roy's surprise performance for Lara at their wedding instigates Jim and Pam to find out something new about each other. After Nellie forces Dwight to support a charity, he chooses a charity that supports an inhumane group.

Callie and Arizona's wedding is not coming together as they hoped it would; Meredith and Derek make a life-changing decision.

Andy tries to quash Jim and Dwight's endless pranks. Robert tries to drink away his sorrows at the office Christmas party while Erin lets her feelings out after a few too many drinks.

When Robert decides to sell his mansion, Kevin suggests he throw a pool party for the office. Meanwhile, Erin flirts with Dwight to get Andy's attention while Robert gives a tour of his home.

Dwight offers free family portraits, and a stolen diaper leads to a high-speed car chase. Andy, aided by David Wallace, goes undercover to get his job back and Robert faces a decision on a new business opportunity.

Pam accidentally brings lice into the office but lets Meredith Palmer take the fall while Dwight vows to destroy the parasites. Jim spends a great day in Philadelphia with a potential business associate, while Nellie, Phyllis and Kevin interfere with Darryl's love life.