The Exterminating Angel - S5-E6
Revealing mistake: The scene with a bee in the Jag is superimposed.
Things Aren't Simple Anymore - S6-E6
Visible crew/equipment: While the song The end of the line is playing and as the credits appear on screen look at the back window of the Meldrews car, you can see the helicopter used for the high up scenes reflected in the glass.
Chosen answer: The episode is 'The Pit and the Pendulum' The first episode of series 4.
James Ransford ★