Once, Missy was taken to a planet to be executed.
- You may wish to consult
Planet (disambiguation)
for other, similarly-named pages.
A stipulation of the Fatality Index was that the execution of a Time Lord should be carried out by another Time Lord. As they were "not easy to come by", the Twelfth Doctor was chosen. (TV: Extremis)
Behind the scenes
- The planet is not named in the episode but the Doctor Who website names it as Carnathon.[1]