Visible crew/equipment: When Mr.Mainwaring, Mr.Wilson and Pike have left the radio shop and they are walking up the street, you can see the crew in the reflection of the shop windows.

Visible crew/equipment: At the end of the film when Mainwaring is walking to the bank, you can see the camera lights in the window of Fraser's Funeral Parlour.

Revealing: When the platoon hear the church bells, they mistake it for the invasion signal and construct a barricade across the high street. If you look behind them you can see cars parked on the road in the distance that date from well after the 1940's.