Gently Between the Lines - S6-E1
Factual error: Just before the end of the episode, the custody Sgt is arrested in connection with the death of the prisoner, and the modern day caution is used, which was not introduced until the '90's.
Inspector George Gently (2007)
1 factual error in Gently Between the Lines
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.