The timelords have been around since the beginning of the show and were only "wiped" out after the 8th doctor. But in the newest episode, it appears we have another return of the timelords. Another? Yes. They have been dropping in and out of the doctor's past as far back as the 1st doctor. The goal it seems of this return is to make The doctor less powerful, and revert back to the way the show use to be. Not in the way of second class speical effects and all, but the way the doctor was not so powerful, I mean, let's face it. He can do anything now. Hell he could wipe out every alien race. But this return may not be such a great idea. It just might cause many complications. In my opinion, the heartbeat could have had a better effect. I was hoping for something more sinister. But only tiem will tell.