Meredith (Ellen Pompeo) tells Amelia (Caterina Scorsone) that her plan is to publish their Alzheimer's research without telling Catherine Fox. Amelia is worried about going behind Catherine's back and that their research will nullify the discoveries that her brother -- and Meredith's husband -- made in this field. From 'Grey's Anatomy' season 20, episode 9, 'I Carry Your Heart.' Watch 'Grey's Anatomy' THURSDAYS 9/8c on ABC. Stream on Hulu.