Written by Chris Chibnall
This planet, this time period, in the very far future, immediate aftermath of the Cyber Wars...
| Episode Title | Premiere Date |
| Ascension of the Cybermen | 23/02/2020 |
The aftermath of the Great Cyber War. The Doctor and friends arrive in the far future intent on protecting the last of the human race from the deadly Cybermen. But in the face of such a relentless enemy, has the Doctor put her best friends at risk? What terrors lie hiding in the depths of space? And what is Ko Sharmus?
| Character | Cast |
| The Doctor | Jodie Whittaker |
| Graham O'Brien | Bradley Walsh |
| Yasmin Khan | Mandip Gill |
| Ryan Sinclair | Tosin Cole |
| The Master | Sacha Dhawan |
| Ashad | Patrick O'Kane |
| Ravio | Julie Graham |
| Ko Sharmus | Ian McElhinney |
| Yedlarmi | Alex Austin |
| Feekat | Steve Toussaint |
| Bescot | Rhiannon Clements |
| Ethan | Matt Carver |
| Fuskle | Jack Osborn |
| Brendan | Evan McCabe |
| Patrick | Branwell Donaghey |
| Meg | Orla O'Rourke |
| Michael | Andrew Macklin |
| Sergeant | Caolan Byrne |
| Voice of Cybermen | Nicholas Briggs |
| Cybermen | Matthew Rohman |
| Simon Carew | |
| Jon Davey | |
| Richard Highgate | |
| Richard Price | |
| Mickey Lewis | |
| Matthew Doman | |
| Paul Bailey |
| Role | Crew |
| Writer | Chris Chibnall |
| Director | Jamie Magnus Stone |
| Series Producer | Nikki Wilson |
| Executive Producer | Matt Strevens |
| Executive Producer | Chris Chibnall |
