Isa tells Winston that Wullie is dead before he enters Jack's flat. But when he tells Jack and Victor about the death, he says that Isa showed him it in the newspaper yet no paper was visible in the previous scene.
Jack says he was waiting outside the cinema in 1937 waiting to see The Wizard of Oz. But in reality The Wizard of Oz came out in 1939 not 1937.
Winston says it is Thursday in the post office, but when Victor is talking to Simon at the ticket office at the cinema; He says It is normally Peter with on a Tuesday.