In the original concept of the The Dorrctr like evert time lord citizen of Gallifrey was limited to 13 Regenerations and then dies. But later in the new series the Timelord Granted the Doctor an additional 13 episodes. In effect , the doscotr was given a whole new lease on life. And then In the Chris Chibnal . they threw tall of that out and intprdced the who Timeless child give the doctor united regenerations . Then thy threw out the concept of the Doctor being Galifreyan and that was an alien form other world and because of the Doctor ,The Timelords learned the secret of regeneration
What do you think ?
What do you think ?