The sum total of all of this is a really, really good slice of Saturday night fun, that puts a good Dalek story at the heart of an episode that’s impressive for reasons beyond its foes. It’s frequently funny – Moffat hasn’t lost his touch with excellent one-liners – and emotionally involving too. It also takes the Daleks to some quite dark places, with a fresh, unpleasant edge. And, as with many of Moffat’s episodes, it’ll ignite the Internet within seconds of it finishing. Doctor Who series 7: Asylum Of The Daleks spoiler-free review | Den of Geek