Aired 4 years ago - Oct 31, 2015
The Zygons, a race of shapeshifting aliens, have been living in secret among us on Earth, unknown and unseen - until now! 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. But will they reach her in time, and can they stop an uprising before it’s too late?
Mouse over thumbnail for slideshow
Or scroll and see one by one:#2 #3