For an episode that started out like a joyfully camp romp into the world of Eurovision, Juno Dawson turned in a script that truly had ice in its heart, in just the way the Doctor (Ncuti Gatwa) told Kid (Freddie Fox) that the Time Lord now had ice in his hearts.
Doctor Who stories often feature alien invasions, conquest, destruction and the desire for revenge, but they have seldom so bleakly painted the determination to carry out a mass casualty terrorism event. That in turn provoked one of the most extreme reactions we have ever seen from the lead character.
