Grey's Anatomy 15x17 "And Dream of Sheep" Season 15 Episode 17 Promo - Ties are strained as Andrew and Carina confront an unforgiving family history. Meanwhile, Teddy and Owen work together on a married couple who is expecting, and Amelia attends a conference for alternative pain relief, on “Grey’s Anatomy,” Thursday, March 14th on ABC, streaming and on demand.