Doctor Who newsletter
The Doctor delivered to your inbox
Be the first to know about the latest Doctor Who products and updates.
Written by Chris Chibnall
"The end of the Universe. I always wondered what it would feel like."
| Episode Title | Premiere Date |
| Chapter One: The Halloween Apocalypse | 31/10/2021 |
On Halloween, all across the universe, terrifying forces are stirring. From the Arctic Circle to deep space, an ancient evil is breaking free. And in present-day Liverpool, the life of Dan Lewis is about to change forever. Why is the Doctor on the trail of the fearsome Karvanista? And what is the Flux?
| Character | Cast |
| The Doctor | Jodie Whittaker |
| Yasmin Khan | Mandip Gill |
| Dan Lewis | John Bishop |
| Karvanista | Craige Els |
| Joseph Williamson | Steve Oram |
| Diane | Nadia Albina |
| Swarm | Sam Spruell |
| Azure / Anna | Rochenda Dandall |
| Vinder | Jacob Anderson |
| Claire | Annabel Scholey |
| Ritskaw | Jonathan Watson |
| Kragar | Dan Starkey |
| Old Swarm | Matthew Needham |
| En Sentac | Sarah Amankwah |
| K-Toscs | Charlie Oscar |
| Wilder | Richard Tate |
| James Stonehouse | Paul Leonard |
| Wilma | Heather Bleasdale |
| Kev | John May |
| Jon | Gunnar Cauthery |
| Weeping Angel | Barbara Fadden |
| Role | Crew |
| Writer | Chris Chibnall |
| Director | Jamie Magnus Stone |
| Executive Producer | Chris Chibnall |
| Executive Producer | Nikki Wilson |
| Executive Producer | Matt Strevens |