This week on Screentime John Fardy chats to the Film Critic David Thomson who according to John Banville is ‘the greatest living writer on the movies’ about his new book ‘A Light in the Dark- A history of Movie Directors.’ Following on from the confusing premise of Tenet John is joined by Mark Ryall to look at some of the most complicated and confusing movies of all time. Plus  actor Shane Casey who plays Billy Murphy in the Young Offenders  chats about his favourite movie.