It's been a while since they can recall such a keenly anticipated cinematic event, or one that has then gone on to exceed all their wildest expectations. But that is what their guest this week Denis Villeneuve has achieved with Bladerunner 2049. They discuss taking on the legacy of Vangelis - plus his trio of films with composer Jóhann Jóhannsson: Prisoners, Sicario and Arrival.