Owen Cooper and Stephen Graham on the set of AdolescenceIf you found yourself watching Adolescence wondering just how the cast and crew managed to get through those hour-long takes without anything going wrong – well, they didn’t.Netflix recently revealed that for almost all of the hard-hitting drama’s episodes, takes were into the double figures before they found one that was able to be used.And in a new interview with Variety, cinematographer Matthew Lewis opened up about some of the issues that brought shooting to a halt.He recalled one incident in which the iPad controlling the lights “just crashed”, leaving the entire set plunged into darkness.