'Grey's Anatomy': Kim Raver Reacts to First ET Interview and Show's Season 21 Renewal (Exclusive)

Kim Raver sits down with ET to chat about season 20 of 'Grey's Anatomy,' airing Thursdays on ABC. The actress reacts to her first ET interview on-set of her 1999 drama show, 'Third Watch.' Plus, Kim spills on what fans can expect for the remainder of 'Grey's Anatomy' this season and teases what's to come for season 21.