We think that Ashes to Ashes scribe Matthew Graham's haunting tale, guest-starring Marshall Lancaster and Sarah Smart, is set to turn into a classic
But do you agree Doctor Who fans? Were you satisfied with the episode on the whole - or was it truly horrific in more ways than one? Was the Doctor-Ganger reveal made all too obvious by the "Trust me" clues?
Rate the instalment below in our poll below, then feel free to opine further in the space below.
> 'Doctor Who' review: 'The Rebel Flesh'