# Doctor Who’s Thirteenth Doctor Ends With Regeneration

> Jodie Whittaker’s final episode as Doctor Who’s Thirteenth Doctor ends with a laser wound and regeneration into David Tennant.
- Title: Doctor Who’s Thirteenth Doctor Ends With Regeneration
- Summary: Jodie Whittaker’s final episode as Doctor Who’s Thirteenth Doctor ends with a laser wound and regeneration into David Tennant.
- Keywords: jodie whittaker, doctor who, thirteenth doctor, fourteenth doctor, david tennant, doctor who showrunner, doctor who companion, yaz, daleks, cybermen, master, rasputin
- Source: Polygon — https://polygon.com/doctor-who-the-power-of-the-doctor-failed-jodie-whittaker-4th-anniversary
- Author: Aimee Hart
- Published: 2026-10-23T18:00:20+00:00
- Read time: 1 min
- Topics: jodie whittaker, doctor who, thirteenth doctor, fourteenth doctor, david tennant, doctor who showrunner, doctor who companion, yaz, daleks, cybermen, master, rasputin
## Jodie Whittaker debuts as Thirteenth Doctor
Jodie Whittaker became the first woman to play the Doctor in 2017, sparking online criticism.
## The Power of the Doctor finale
The final episode of Chibnall’s era features the Doctor fighting Daleks, Cybermen, and the Master.
## Master’s body-swapping plan
The Master disguises as Rasputin in 1916 to trigger global volcanic eruptions and swap bodies with the Doctor.
## Doctor’s fatal laser wound
The Doctor is mortally wounded by the Master’s laser beam, forcing her to regenerate into David Tennant.
## Thirteenth Doctor’s last companion
Yaz, the Doctor’s companion since the beginning of her time in the TARDIS, is left behind during regeneration.
## Regeneration into Fourteenth Doctor
David Tennant returns as the Fourteenth Doctor, ending Thirteenth Doctor’s era with a brief, impactful comeback.
## Key takeaway

Jodie Whittaker’s final episode as Doctor Who’s Thirteenth Doctor ends with a laser wound and regeneration into David Tennant.