Factual error: Both detective superintendents always wear uniform, which is only worn by detectives on very formal occasions if at all. Both also wear collar badges, which are not worn by either the Metropolitan Police or Thames Valley Police, the forces to which they belong.
Unforgotten (2015)
1 factual error in season 2
Starring: Nicola Walker, Sanjeev Bhaskar, Jordan Long, Lewis Reeves
Episode #1.1 - S1-E1
Factual error: When reviewing the phone numbers in the 1970s diary, they start '01' which was a change to UK numbers only brought in 1995.
Upvote valid corrections to help move entries into the corrections section.
Suggested correction: The 01 prefix for London was introduced much earlier. We had one in the 1960s.