Year three at Hogwarts means new fun and challenges as Harry learns the delicate art of approaching a Hippogriff, transforming shape-shifting Boggarts into hilarity and even turning back time. But the term also brings danger: soul-sucking Dementors hover over the … Daniel Radcliffe, Rupert Grint, Emma Watson, Robbie Coltrane, Michael Gambon, Gary Oldman, David Thewlis Added on HBO 2022-06-07. Youtube Trailer