It is one of the most successful and highly anticipated crime dramas if recent years and millions of viewers will be glued to ITV on Monday night as the new series of Unforgotten continues.
Unforgotten first came into our lives in 2015, with ITV viewers swiftly hooked on the investigations of London detectives, DCI Cassie Stuart (Nicola Walker) and DI Sunny Khan (Sanjeev Bhaskar), as they solve cold cases of disappearance and murder.
After the first three series of Unforgotten proved to be a huge success, it was reported that filming on series 4 would commence in the autumn of 2019 but after it finally started in 2020, production was then put on hold due to the coronavirus pandemic.
