Enemy Fire - S3-E2
Factual error: While repairing Mary Wrenn's lights Gordon Drake says "Someone fused the ring main with a 3 amp fuse." It was February 1941 but ring mains were not introduced until 1947. (00:14:50)
Factual error: A sign says "REMEMBER THE ENEMY IS LISTENING" in Chicago typeface, but this font wasn't invented until 1984. (01:15:50)
Fifty Ships - S2-E1
Factual error: In the scene when Foyle meets the Home Guard colonel, Letwin, the colonel, has his Sam Browne belt slung over his left shoulder which is totally wrong, especially for an officer risen to field rank. Apart from being intended to provide support for the officer's sword (even if not worn and even if his service revolver is likely to induce sagging), the belt slung over the left shoulder will obscure medal ribbons. Horror of horrors.
Factual error: The episode is in May 1940. The ship in the photo that causes the arrest of Thomas Kramer is a King George V class battleship. The lead ship of the class was commissioned 11 Dec 1940.
Continuity mistake: In the final scene when Miss Pierce in a car asks Foyle to get in, she looks rather more presentable initially with her hair in curls partly framing her face, with noticeable red lipstick and possibly make up. When Foyle gets in the car and takes up the conversation, the hairstyle reverts to her usual dowdy plain style off the face and the lips are natural.
Factual error: A number of the cars have number plates in which the numbers precede the letters, whereas at the time the letters came first.
Factual error: In the sequence where Michael runs over the innkeeper Judd, the car which comes up behind Judd has very bright headlights with the characteristic three spokes towards the centre. At that time, all cars had to have masked headlights as could be seen elsewhere, including on the earlier shots of the green SS Jaguar outside the pub in daylight. Also, when the car lights are first switched on, it looks as if the later Hartley (louvered) masks were used rather than the early hooded type.
Factual error: Fort Benning is stated to be in Virginia. It actually spans the Georgia - Alabama state line.
Factual error: Eternity Ring is set in 1946. Samantha was accused of spying because she was seen with a man outside The Old Vic. She admits seeing a play there but not the play alleged (Henry V instead of The Cherry Orchard). The Old Vic was bombed in the Blitz and was closed from 1941 to 1950.
Factual error: Foyle is disembarking from a trans-Atlantic voyage from a ship which, in long shot, is painted in Union-Castle line colours. This line served African ports, not the USA. Their ships had lavender-coloured hulls from the mid-50s.
Other mistake: Beck sometimes calls the safe breaker Harry and sometimes Malcolm, which is correct?
Suggested correction: His name is Harry Markham. He doesn't say Malcom.
Fifty Ships - S2-E1
Factual error: One of the wall pictures in the departure hut in the penultimate scene appears to show passengers boarding a Comet jet airliner, introduced in the early 50s.
Factual error: Sunflowers are not grown in the North of France. They're grown primarily in Provence and Poitou.