When does Midsomer Murders return?

Midsomer Murders is a British mystery television series, adapted from the novels in the Chief Inspector Barnaby book series. It has been broadcast on the ITV network since its premiere on 23 March 1997. The stories revolve around the efforts of Detective Chief Inspector Tom Barnaby and his successor, cousin John Barnaby, to solve numerous murders that take place in the picturesque but deadly villages of the fictional county of Midsomers. The show's official social media confirmed that production of series 21 began in March 2019.