Board Thread:The Panopticon/@comment-4028641-20151101035254/@comment-462638-20151102195616

The Kates are almost certainly not the same Zygon, but I think we need to wait for the next episode before we can determine if there even is a Kate Zygon in The Zygon Invasion. Kate may have pulled a Queen Elizabeth, and killed the Zygon and is now impersonating it.