Written by Russell T Davies
"Everywhere I land, a woman appears..."
| Episode Title | Premiere Date |
| The Legend of Ruby Sunday | 15/06/2024 |
The Doctor and UNIT investigate Ruby's past. But as the Time Window reveals horrifying secrets from Christmas Eve, the mysterious Triad Technology unleash the greatest evil of all.
| Character | Cast |
| The Doctor | Ncuti Gatwa |
| Ruby Sunday | Millie Gibson |
| Kate Lethbridge-Stewart | Jemma Redgrave |
| Melanie Bush | Bonnie Langford |
| Rose Noble | Yasmin Finney |
| Colonel Ibrahim | Alexander Devrient |
| Morris Gibbons | Lenny Rush |
| Harriet | Genesis Lynea |
| Susan Triad | Susan Twist |
| Bailey Sinclair | Fela Lufadeju |
| Carla Sunday | Michelle Greenidge |
| Mrs Flood | Anita Dobson |
| Cherry Sunday | Angela Wynter |
| Colonel Chidozie | Tachia Newall |
| Corporal Sullivan | Jasmine Bayes |
| The Vlinx | Aidan Cook |
| Voice of the Vlinx | Nicholas Briggs (voiceover) |
| Role | Crew |
| Writer | Russell T Davies |
| Director | Jamie Donoughue |
| Executive Producer | Jane Tranter |
| Executive Producer | Julie Gardner |
| Executive Producer | Joel Collins |
| Executive Producer | Phil Collinson |
| Executive Producer | Russell T Davies |
| Producer | Vicki Delow |
