Fan CastingWhat If Doctor Who Wasn't Axed? - The Fifteenth Doctor (2017-2018)

This is the second season of the Fifteenth Doctor's tenure. Executive producer Ronald D. Moore was fired during filming, so, he was replaced with his previous co-showrunner (who went off to do the spinoff, The Elysium) Jane Espensen for the rest of the season. For the first four episodes, Pete Fletcher remains the sole companion with Sally Brennan and her wife Annie joining the TARDIS crew in the fifth episode. The episodes this season are The Martian Equinox (Christmas/New Year's Special), Chain Reaction, Kerblam!, Coats of Blood, Terror on Talia, Friends on a Train, God's Familiars (Parts 1 and 2), Bliss, Crookback, Their Story, and The New Empire (Parts 1 and 2).