Andrew Bilgore

A young boy needs a heart transplant but doesn't seem to want it, and his treatment causes Burke and Yang to have philosophical differences. Meanwhile, when the interns rally to help Alex prepare to re-take his exam, Meredith has to remind Izzie of the true spirit of the Christmas holiday; and despite a reconciliation with his wife, Derek isn't in a festive mood.

NCIS investigate the murder of a Marine Major believed to have been killed in the 9/11 attack on the Pentagon after human remains are discovered at a construction site.

Rachel must hire an assistant and agonises over whether to hire an efficient, experienced woman, or sexy young Tag Jones. Ignoring her friends' advice, she hires Tag and soon regrets it. To make matters worse, Tag is attracted to Phoebe.

Ross fails to impress his girlfriend's father, and Phoebe makes Chandler and Monica paranoid by chronicling their every move in a fictional book she is writing.

Shawn and Virna encourage Chet to get an honest job, but Shawn is humiliated when his father becomes the school's janitor.

Will holds the winning raffle ticket at Uncle Philip's political fund-raising event.