GREY'S ANATOMY - "Kung Fu Fighting" - With his marriage in turmoil, the Chief turns to his fellow male surgeons for a "gentleman's evening," Cristina and Izzie heatedly compete for the same surgeries and the favor of the doctor performing them, Meredith treats the survivor of a skydiving accident, and the doctors treat two injured finalists who are competing in a promotional competition, on "Grey's Anatomy," THURSDAY, NOVEMBER 1 (9:00-10:07 p.m., ET) on the ABC Television Network. (ABC/RON TOM) SANDRA OH