
The Doctor calls on the Time Lords to help him with a plasma creature that's hunting him on Earth. Already facing a crisis, the Time Lords send for several of the Doctor’s former selves to assist them. The second Doctor becomes transported through the Black Hole by Omega. He has been trapped in the Black Hole so long his physical form has corroded, leaving only his will, and now he wants the Doctor to swap places with him.Part 3 of 4.
