If you haven’t seen the first two parts of this series you can learn about the Doctor’s backstory, the TARDIS and the first three Doctors here, and then his gadgets and the next four Doctors here.

The Doctor’s Enemies

The Doctor has been traveling through time and space for over a thousand years. During that time he has build up quite a collection of foes that don’t want to back down. Whilst we’re not intending to cover all the enemies encountered over the decades in this particular guide we will address the small number who have had the biggest impact on our hero.

The Master is a Time Lord like the Doctor, but rather than being inspired by the infinite possibilities of the time vortex he was driven completely insane. He hijacked a TARDIS and went rouge from Gallifrey, initially encountering the Third Doctor when he attempted to take over…