Rose requests a trip back to the day her father, Pete Tyler, died. Reluctantly, the Doctor agrees, but he realises he has made a mistake, when Rose saves Pete from being run over by a car. This has now changed the timeline, and Reapers are transposing themselves all over the Universe. However, this time, the Doctor doesn't have a plan…
| Creator | Sydney Newman |
|---|---|
| Actor | Jodie Whittaker, Mandip Gill, John Bishop |
| Country | Canada, United Kingdom |
| Production | BBC Cymru Wales |