Character mistake: Joyce announces to Monty that she is getting married by "the only other person she kissed in the last ten years" (meaning Sir Henry from the consulate). However, that's wrong because she kisses Cyril Babcock on the beach in an episode of Series 6.
Episode #1.2 - S1-E2
Continuity mistake: At the start when Madge is asleep on the scooter, her head goes from looking down to looking up instantly. (00:01:00)
Episode #1.1 - S1-E1
Visible crew/equipment: When Mick goes to the shop to get some suncream for the kids, as he leaves the hotel and starts across the road, a black object appears on the right-hand side of the screen and stays there when the camera pans to Mick crossing the road. (00:02:40)