When the team discovers a connection between a new murder and a serial killer, Grissom secretly joins the class of a criminal pathologist to help crack the case.

Sen. John McCain and Bon Iver are the scheduled guests.

Stephen talks about Atheists trying to take the Christ out of Christmas. Michael Phelps will compete in the 2010 Winter Olympics after Stephen teaches him how to ice dance.

Episode info coming soon ..

Phyllis' Moroccan-themed holiday party goes up in flames when Meredith's hair catches on fire and Michael is forced to deal with the accident. Meanwhile, Dwight corners the market on the hottest toy of the Christmas season.