4. The Zygons Are Back Which Basically Means That No One Can Be Trusted
Hell, even the Twelfth Doctor himself could secretly be a Zygon in disguise. No one can be trusted when these pesky Classic Series foes are getting up to their usual shape shifting shenanigans. In Series 9, nothing will be as it seems.
Dan Butler is the Doctor Who Editor at WhatCulture.com. When he isn't writing his own articles or editing other people's, he can be found trawling the internet for gifs of Steven Moffat laughing. Contact him via dan.butler@whatculture.co.uk.