The Twelfth Doctor's era has received mixed reception from Doctor Who fans. Some viewers point out the incredible episodes that aired during Series 8-10, including those starring beloved villain Missy. Others, though, are dissatisfied with the inconsistency in the quality of the show's writing. However, Peter Capaldi's enthusiasm for the lead role carried the show through its weaker moments during this era.
Capaldi brought an intensity to the Doctor that few other actors have managed. Ten had his moments of awe-inspiring fury; Eleven struck fear into the hearts of enemies when he needed to — but Capaldi's Twelfth Doctor had a zeal and passion that kept viewers glued to their screens. And there is no better example of how powerful his character could be than the Series 9 episode, «The Zygon Inversion.»
Doctor Who: Historical Figures We’d Like To See On The Show
The two-part story «The Zygon Invasion/The Zygon Inversion» calls back to the 50th Anniversary special. In that episode, the Tenth, Eleventh, and War Doctors negotiated a cease-fire between humans and the shape-shifting alien race of Zygons. It was eventually agreed that 20 million of the alien species would live peacefully on Earth, disguised as everyday humans. Now, however, the cease-fire has broken. A splinter group of Zygons have rebelled, deciding they are no longer content to live in hiding and want Earth for themselves. The Doctor must try desperately to stop a war while radical Zygons capture and kill humans, and Earth's governments tighten their trigger fingers.
Bonnie, a Zygon impersonating Clara, goes in search of the Osgood Box, an item that is described as being able to end the cease-fire. Her aim is to unmask all Zygons on Earth, starting a war and
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