Patrick Dempsey Reveals How His 'Grey's Anatomy' Cameo Came to Be

Patrick Dempsey makes an appearance on today’s Ellen DeGeneres Show, and he’s speaking out about his return to Grey’s Anatomy. Five years ago, his character, Dr. Derek Shephard, was killed off of the show. On Thursday’s Grey’s premiere, his character made a total surprise appearance. Ellen pressed Patrick for more info about how many episodes [...]