The Zygon Invasion (1)
| Episode Number | 7 |
|---|---|
| Season | 9 |
| Aired | 2015-10-31 |
| Overview | When Osgood is kidnapped by a rogue gang of Zygons, the Doctor, Clara and Unit must scatter across the world in a bid to set her free. |
| Runtime | 45 minutes |
| Absolute Number | 124 |
| Finale Type |