In this sneak peek from the season 20 finale of 'Grey's Anatomy,' episode 10, 'Burn It Down,' after Teddy (Kim Raver) is fired, Meredith (Ellen Pompeo) and Amelia (Caterina Scorsone) join her in a race to save their research before Catherine can scrap it. Watch 'Grey's Anatomy' THURSDAYS 9/8c on ABC. Stream on Hulu.