An epic fantasy adventure based on the timeless Arthurian legend, The Green Knight tells the story of Sir Gawain, King Arthur's reckless and headstrong nephew, who embarks on a daring quest to confront the eponymous Green Knight, a gigantic emerald-skinned … Dev Patel, Alicia Vikander, Joel Edgerton, Sarita Choudhury, Sean Harris, Kate Dickie, Barry Keoghan Added on Amazon Prime 2023-07-27. Youtube Trailer