The Second Time Around - S1-E4
Revealing mistake: When Del, Grandad and Rodney Come Home to the flat after staying with their Aunt, as Del is checking the kitchen you can see Lennard Pearce standing by the door waiting for his cue. (00:26:05)
The Second Time Around - S1-E4
Visible crew/equipment: After Del talks about Pauline's second husband kicking the bucket, a boom mic can be seen at the top of the screen. (00:06:00)
The Second Time Around - S1-E4
Continuity mistake: At the start of the episode, Del hands the box of tissues to his customer, but in the next shot the box has jumped into the hands of the man standing next to her. (00:00:40)
The Second Time Around - S1-E4
Revealing mistake: When Grandad is speaking strangely and telling Del that Pauline has hidden his teeth, you can see his bottom set of teeth.
Chosen answer: An apparent long string of illnesses.