The ninth series of Doctor Who continues tonight at 8:15pm on BBC One and BBC One HD, read on for the synopsis to the seventh episode:
THE ZYGON INVASION - by Peter Harness & Steven Moffat
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?
The series continues next Saturday at 8:00pm with The Zygon Inversion, more details coming then.