As Doctor Who surprises fans by revealing a brand new Doctor played by Jo Martin, where could the character fit in the Doctor's line of regenerations?

In Doctor Who's Spyfall part 2, a reference is made to Jodrell Bank - a major callback to the moment Tom Baker's Doctor regenerated in 1981.

Could the Doctor's dying thoughts determine the personality of the next Doctor? One new theory covering the whole of Doctor Who history suggests it.

Regeneration is a key part of Doctor Who, but it's been subject to some changes and plot holes of the years. Here's everything you need to know.

The most despicable Time Lord in history has, unsurprisingly, been involved in many a scrape. Here's every time the Master regenerated in Doctor Who.

Peter Capaldi left Doctor Who at the end of 2017 - but why did the Twelfth Doctor regenerate, and why did Capaldi want to leave the series?

Doctor Who's leading Time Lord has regenerated many times over the years, but the process has been triggered by a wide array of injuries.

Doctor Who is one of the longest running TV shows in the world, with a history that stems back all the way to 1963. There are many reasons why the British sci-fi drama has lasted so long, one of them being the concept that The Doctor and his/her companions can travel anywhere in time and space, giving nearly unlimited settings and scenarios for our heroes to become entangled with.