GREY'S ANATOMY - "Adrift and at Peace" - Despite Meredith's objections to the idea, a concerned Derek takes Cristina on a fishing trip in order to get away from it all, while Teddy, feeling directionless without Cristina, directs all of her efforts and compassion towards a dying patient (played by Scott Foley) who lacks the proper insurance to seek medical treatment, on "Grey's Anatomy," THURS., DECEMBER 2 (9:00-10:01 p.m., ET) on the ABC Television Network. (ABC/ADAM TAYLOR) CHANDRA WILSON, JAMES PICKENS JR., JESSE WILLIAMS, SARAH DREW, CHYLER LEIGH