Doctor Who: 8 Fixes For Series 13
3. Explain Who The Fugitive Doctor Is
Apart from the huge revelation regarding The Doctor's origin at the end of the series, another huge surprise old Chibbers had in store for us during Series 12 was the first appearance of a previously unknown incarnation of The Doctor, played by Jo Martin. This 'fugitive' Doctor was on the run from Gallifrey, yet had no idea who Jodie Whittaker's Doctor Thirteen was, and vice-versa. The specifics of this incarnation's place within the Doctor's timeline remains unknown, even after the series came to a conclusion.
Since the Timeless Child revelation in 'The Timeless Children,' we now know there are a plethora of incarnations of the being we know as 'The Doctor' that we simply haven't met yet- or will ever meet. So, before adding more Doctors to this already-confusing pile, let's find out exactly, 100%, no wiggle room, who this 'Doctor' is.