Clara and the Doctor continue their rather problematic relationship with the fall-out from the Series 8 finale all too visible. These facets are woven in to the plot, gratefully, and rather than slowing down the story, add to its menace. Elsewhere, Capaldi finally gets to show some unadulterated joy and you won’t fail to feel …

“Clara’s guilt is heartbreaking – because she knows she wasn’t actually a good girlfriend to [Danny] and she did let him down, but she realises it all too late.” “Danny was the ideal boyfriend. He was strong and supportive and everything that Clara could ever wish for – but ultimately, Danny wasn’t the Doctor and …