The Zygon Uprising

This is the fourth Eleventh Doctor special from Season 17.
==Story==
The Doctor and Clara find themselves returning to a parallel version of Earth to find that the Zygons, shape-shifting aliens, have infiltrated human society and are on the brink of a global uprising. With trust at an all-time low, the Doctor must broker peace between humans and Zygons before it's too late.
==Cast==
The Eleventh Doctor - Matt SmithClara Oswald - Jenna ColemanRose Tyler - Billie PiperMetacrisis Doctor - David Tennant
==Behind The Scenes==
This episode would be written by Andy Wilkins & Steven Moffat. To spice things up for Doctor Who's 65th anniversary, this would be the fourth of five specials to be aired across the shows 65th anniversary week.
==Continuity==
At the conclusion of this episode following the credits, a short trailer showing a few brief seconds from the next special would be shown.