[1] It features the activities of two officers from the Criminal Investigation Department (CID) in the Metropolitan Police force headquarters at New Scotland Yard, as they dealt with the assorted villains of the day.

But the series, scheduled on a Saturday night, failed to match the ratings of the similar format but more glamorous midweek counterpart from Thames, Special Branch.

[6] LWT were considered to have broken the rules of Saturday night broadcasting by showing a tough police drama in place of entertainment, but it was an inspiration for The Sweeney.

[7] Dennis Waterman, who went on to play a lead role in The Sweeney, appeared in a 1973 episode of New Scotland Yard called 'My Boy Robby?'.

[8] The earlier unrelated Scotland Yard film series (1953–61) was made by Anglo-Amalgamated and was first aired on television by the American Broadcasting Company.