Factual error: Episode starts "Durham 1966". When Inspector George Gently and Bacchus are questioning the girls on top of the "TV" studio the High Level Bridge is in the background and there are overhead electric masts on the bridge. Railways around Newcastle were not electrified until 1990. (00:22:00)
Inspector George Gently (2007)
1 factual error in season 4 - chronological order
Starring: Lee Ingleby, Martin Shaw, Simon Hubbard
Character mistake: The registration number of Alan Salt's car is HUA222B, but when Rachel is on the phone asking an officer to look up the car's registered owner she gives the registration number as B222HUA.
John Bacchus: You're under arrest.
George Gently: He's under arrest, when I say he is.