When Michael Keaton talks about never having been to Sheffield, he has his right arm behind him, resting on the back of the sofa, before cutting to a shot with both his hands in front of him.
Although not shown onscreen due to the editing process, Des confesses to viewers that this edition had "one or two little problems in the theatre" which caused delays. The issues are revealed when Max Bygraves comes on with a fake "beard", joking he'd grown it while the show was taking place.