Written by Nina Metivier
"The present is theirs, I work for the future. And the future is mine."
| Episode Title | Premiere Date |
| Nikola Tesla's Night of Terrors | 19/01/2020 |
1903. On the edge of Niagara Falls, something is wrong at Nikola Tesla’s generator plant. Who or what is sabotaging the maverick inventor’s work? Has he really received a message from Mars? And where does his great rival Thomas Edison fit into these events? The Doctor, Yaz, Ryan and Graham must join forces with one of history’s great minds, to save both him and planet Earth.
| Character | Cast |
| The Doctor | Jodie Whittaker |
| Graham O'Brien | Bradley Walsh |
| Ryan Sinclair | Tosin Cole |
| Yasmin Khan | Mandip Gill |
| Nikola Tesla | Goran Višnjić |
| Thomas Edison | Robert Glenister |
| Queen Skithra | Anjli Mohindra |
| Dorothy Skerritt | Haley McGee |
| Harold Green | Paul Kasey |
| Bill Tallow | Robin Guiver |
| Mr Sorensson | Erick Hayden |
| Mr Brady | Russell Bentley |
| Mr Martin | Brian Caspe |
| Foreman | Shaun Mason |
| Role | Crew |
| Writer | Nina Metivier |
| Director | Nida Manzoor |
| Producer | Alex Mercer |
| Series Producer | Nikki Wilson |
| Executive Producer | Matt Strevens |
| Executive Producer | Chris Chibnall |
