Ellen Pompeo Says 'Grey's Anatomy' Should Keep Going 'Beyond Me' (Exclusive)

Ellen Pompeo chats with ET's Cassie DiLaura at a celebration for 'Grey's Anatomy's 400th episode. The actress reflects on the 'exhausting' journey of doing the show for that many episodes, and hints at a possible Meredith Grey-less future for the series. The 400th episode of 'Grey's Anatomy,' which doubles as the season 18 finale, airs Thursday, May 26, at 8 p.m. ET/PT on ABC.