Go behind-the-scenes of episode 7 of ‘Doctor Who’ Series 9, “The Zygon Invasion.” The return of Osgood: We thought she was dead, but she's back! Why everyone's delighted with Osgood's return. http://www.youtube.com/watch?v=TtmtbiPjLAs The return of the Zygons: The Zygon Invasion has begun! Steven Moffat and cast explain their love of the monsters. http://www.youtube.com/watch?v=9tVY2ifYSLg Osgood the cosplayer: To cosplay … Continue reading ‘Doctor Who’ Series 9 Extra – “The Zygon Invasion”