Season 13 Episode 23 : Season 13, Episode 23 - Watch Doctor Who Online
The Doctor is an alien Time Lord from the planet Gallifrey who travels through all of time and space in his TARDIS. He has a long list of friends and companions who have shared journeys with him. Instead of dying, the Doctor is able to “regenerate” into a new body, taking on a new personality with each regeneration. Twelve actors, plus John Hurt, have played The Doctor thus far.