● The Dalek death squad sent to destroy the Doctor isn’t without precedent. The First Doctor and his friends were hunted through time and space by just such a detachment (in The Chase, 1965). “Order Executioner to prepare to disembark,” one Dalek squawked to another, as their time and space ship homed in on the TARDIS’ next destination – the observation deck of the Empire State Building.
● The Executioners who track the Thirteenth Doctor and her friends to the Elf Storage facility on New Year’s Eve 2021 are very different, though. On this occasion, Elf and safety do not go together. Unlike their precursors, these Executioners successfully carry out their mission to exterminate the Doctor. And then they carry it out again. And again. And again…