Clara enters Eleven's time stream in "The Name of the Doctor," accounting for the various characters he has experienced throughout space and time that look just like her. "The Robot Revolution ...

Like Donna and the Tenth Doctor, Clara and the Doctor are soulmates who change each other, only to be forced apart by memory loss. The difference is the Hybrid swapped Clara and the Doctorâ s roles.

Doctor Who airs its series eight finale ' Death in Heaven ' this Saturday (November 8) at 8pm on BBC One. "I am The Master!": Who is Doctor Who 's greatest nemesis?

What if Clara Oswin Oswald is actually a regeneration of Susan Foreman? For those of you that don't know, Susan Foreman was the First Doctor's original companion and his granddaughter.