6×10 The Doctor Stands: At great risk, UNIT gains the upper hand against the Zygons. But just when it looks like the alien invaders have been defeated, a surprising ally comes to their rescue. Whose side is the Doctor really on?
6×10 The Doctor Stands: At great risk, UNIT gains the upper hand against the Zygons. But just when it looks like the alien invaders have been defeated, a surprising ally comes to their rescue. Whose side is the Doctor really on?