If you like to watch Doctor Who but would like more then 1 Doctor then you just need to get this Doctor Who Twice Up On A Time Christmas episode.
The 2017 Christmas episode of Doctor Who included Bill Potts as the companion but there is not just one Doctor in this episode as there are the 1st original Doctor in it but also it is the last episode of the 12th Doctor.
And as a true fan of Doctor Who you probably watched this Christmas episode but that probably means that you really want to own it and you are in luck as you can get this Doctor Who episode on DVD or Blu-ray.
Get your Twice Up On A Time 2017 Christmas Episode DVD or Blu-ray