Liknande den här frågan som postades i augusti 2014:
Har det faktum att Peter Capaldi tidigare har spelat in i Doctor Who-universet (som Lobus Caecilius i Pompeiens bränder och John Frobisher i Torchwoods Barn av jorden säsong) har ändå tagits upp / förklarats antingen i eller utanför universum?
Inte än, men de kommer att bli.
Enligt en intervju med Nerd3 , showrunner Steven Moffat säger att doktorns val av ansikte är något som kommer att behandlas i universum.
I remember Russell [T Davies] told me that he had a big old plan as to why there were two Peter Capaldi’s in the Who universe: one in Pompeii and one in Torchwood. When I cast Peter and Russell got in touch to say how pleased he was, I said, ‘Okay, what was your theory and does it still work?” and he said, ‘Yes it does. Here it is…’
We’ll play that one out over time. It’s actually quite neat.
Det finns redan en sidvis referens i " Deep Breath " som läkaren tycker högt:
DOCTOR: ... Er, have you seen this face before?
BARNEY: No.
DOCTOR: Are you sure?
BARNEY: Sir, I have never seen that face.
DOCTOR: It's funny, because I'm sure that I have. You know, I never know where the faces come from. They just pop up. Zap. Faces like this one.
...
DOCTOR: Why this one? Why did I choose this face? It's like I'm trying to tell myself something. Like I'm trying to make a point. But what is so important that I can't just tell myself what I'm thinking?
I slutet av serie 9 avsnitt 5, The Girl Who Died , efter Ashildr
dies,
Doktorn argumenterar med sig själv och talar sig för att rädda henne:
Doktorn fick sitt nya ansikte (Peter Capaldi) för att påminna honom om händelserna i serie 4 avsnitt 2, Pompeiens bränder , där Capaldi framträder som en patriark av en familj räddad av Doktor (då spelad av David Tennant) i stället för att spara hela staden.DOCTOR: I can do ... anything. There's nothing I can't do. Nothing. But I'm not supposed to. Ripples, tidal waves, rules ... I'm not supposed to.
Oh. Oh!
CLARA: What? What's wrong?
DOCTOR: My face. Who frowned me this face? Why this one? Why did I choose this face?
CLARA: Doctor, what's wrong with your face?
DOCTOR: I think I know why I chose it. It's like I'm trying to tell myself something. I think I know what I'm trying to say. Just someone. Not the whole town.
DONNA [memory]: Just save someone.
TENTH DOCTOR [memory]: Come with me.
DOCTOR: I know where I got this face, and I know what it's for.
CLARA: OK, what's it for?
DOCTOR: To remind me. To hold me to the mark. I'm the Doctor, and I save people.
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