MISTRESS OF THE DARK

The climax of “Dark Water” delivers a double fangasm. As Cybermen stomp about near St Paul’s, in homage to 1968’s “The Invasion”, Missy’s true identity is revealed, ushering in a new era of gender-swapping Time Lords. It’s a moment of magnificent mischief, and the shiver of delight which plays across Michelle Gomez’s face mirrors our own.