Where To Stream Doctor Who Season 9 Episode 7
The Zygon Invasion
- Aired October 31, 2015
- 45 Min
- Rated 7.7
- Number 68 Of 153 Rated Episodes
The Doctor and UNIT learn that the Zygon-Human truce has been broken, as a renegade faction of Zygons seek to conquer the world so that they can live in their true forms. Meanwhile, Clara witnesses a strange occurrence outside of her flat.