This new Sky Arts documentary takes an in-depth look at the works of the greatest film directors around the world. In this opening episode we look at arguably the greatest director of all: Alfred Hitchcock. Vertigo, Psycho, Rear Window and North by Northwest are just some of the films examined by the critics discussing his work. Other directors featured in this series include Fritz Lang, Akira Kurosawa and Sam Peckinpah. The Directors is on Sky Arts at 21.00.