Written by Maxine Alderton
"How about writing the most gruesome, spine-chilling ghost story of all time?"
| Episode Title | Premiere Date |
| The Haunting of Villa Diodati | 16/02/2020 |
The Doctor and gang arrive at the Villa Diodati, Lake Geneva in 1816 on the night that inspired Mary Shelley’s Frankenstein. The plan is to spend the evening soaking up the atmos in the presence of some literary greats — but the ghosts are all too real. And the Doctor is forced into a decision of earth-shattering proportions…
| Character | Cast |
| The Doctor | Jodie Whittaker |
| Graham O'Brien | Bradley Walsh |
| Ryan Sinclair | Tosin Cole |
| Yasmin Khan | Mandip Gill |
| Mary Wollstonecraft Godwin | Lili Miller |
| Lord Byron | Jacob Collins-Levy |
| Claire Clairmont | Nadia Parkes |
| Dr John Polidori | Maxim Baldry |
| Ashad | Patrick O'Kane |
| Percy Bysshe Shelley | Lewis Rainer |
| Fletcher | Stefan Bednarczyk |
| Elise | Sarah Perles |
| Role | Crew |
| Writer | Maxine Alderton |
| Director | Emma Sullivan |
| Producer | Alex Mercer |
| Series Producer | Nikki Wilson |
| Executive Producer | Matt Strevens |
| Executive Producer | Chris Chibnall |
