Helen Eigenberg

Rachel nearly gags on her meal when she secretly meets at a restaurant for a job interview and sits right next to the table where her current boss is dining. Phoebe considers legally changing her married name to something more exotic. Meanwhile, Joey feels abandoned when Monica and Chandler try to buy a house, but Joey finds solace with the sellers' precocious 8-year-old daughter, Mackenzie (Dakota Fanning - "The Cat In the Hat").

The BAU team searches for a serial killer who is preying on married couples. Also, Hotchner looks to one of the team to fill JJ's vacant role.

Doug and Carrie photos get mixed up with another couples. When Doug and Carrie look at the other couples photos, they find out that their lives aren't as good as the others, so they try to do what are seen in the photos. Arthur's new cellphone is in no use when no one calls him.

Doug takes Carrie to a spa hoping to earn some credit so she'll let him go to Vegas with the boys. But when the Vegas trip gets cancelled, Doug must figure out how to cash in on his earned credit before Carrie forgets.

An exasperated Grace (Debra Messing) tries to mediate between a resentful Will (Eric McCormack) and her sloppy, free-spirited boyfriend Nathan (Emmy Award-winning guest star Woody Harrelson) when Nathan moves in while Jack (Sean Hayes) is in a royal dither as he plans to finally meet his unseen father face-to-face. However, Grace grows nervous when the two polar-opposite men find some common ground and she ponders how a devoted boyfriend might affect her equally important relationship with her longtime buddy Will. After settling his father issues, Jack later gets the surprise of his life in a most unexpected fashion. Megan Mullally and Shelley Morrison also star. Part 1 of 2.