Who wrote the letters?

How can the seemingly impossible happen in front of multiple witnesses?

Is this a haunting or a hoax?

In this final episode, the investigation reaches its climax as Danny and the experts assess the evidence and look for answers to explain the strange events at 63 Wycliffe Road.

As the modern-day investigators try to reach conclusions, back in 1956, there are still surprises left to spring… The Hitchings face a truly chilling event as Chib searches obsessively for the clues to back up his theories. Who or what is Donald? Written and presented by Danny Robins, starring Dafne Keen (His Dark Materials), Toby Jones (Detectorists), Burn Gorman (Torchwood) and Alice Lowe (Sightseers).

With original theme music by Mercury-nominated Nadine Shah and Ben Hillier, this gripping eight-part series interweaves a chilling supernatural thriller set in 50s London with a fascinating modern-day investigation into Britain’s strangest ever haunting – a mystery unsolved... until now.Shirley Hitchings……..Dafne KeenHarold Chibbett………Toby JonesWally Hitchings……..Burn GormanKitty Hitchings……….Alice LoweLily Chibbett……..Kacey AinsworthEthel Hitchings……….Sorcha CusackJohn Hitchings……..Calvin DembaWritten and presented by Danny RobinsExperts: Ciaran O’Keeffe and Evelyn HollowSound Designer: Richard FoxMusic: Evelyn SykesTheme Music by Nadine Shah and Ben HillierProduced by Danny Robins and Simon BarnardDirected by Simon BarnardConsultant: Alan MurdieWith thanks to James Clark, co-author of 'The Poltergeist Prince of London'

A Bafflegab production for BBC Radio 4, first broadcast in April 2021.