Not a reboot, but a limited series. The BBC mounts a straight historical adventure, like a Walter Scott adaptation, and at the very end the hero is mortally wounded and, surprise! He regenerates into Jo Martin. Or David Bradley, whatever. But the key point is that it can't be announced in advance.
okay let’s hear your wildest Doctor Who reboot pitches
John Heaton (not the headmaster)
While this is probably for the best (these past two seasons have been…something else), I’m very un-thrilled about the uncertain future of the show
www.bbc.com/news/article...
The BBC said the decision was made "after careful consideration" and had "not been taken lightly".