Agatha & Poirot: Partners In Crime

ITV, Monday, 9pm

Richard E Grant (above) explores the crime author’s extraordinary life, linking some of its events to the cases her famous Belgian detective solved, the people he met and the locations he visited until she brought an end to his career in 1975’s Curtain. Grant also catches up with some of Christie’s celebrity fans and investigates Poirot’s most famous outings, including Murder on the Orient Express and Death on the Nile, both of which have been filmed by Kenneth Branagh.