Just 11 days to go till we bid farewell to Peter Capaldi's Doctor and the Steven Moffat era of Doctor Who as a whole.

What's that? You can't wait a week and a half? Well, alright then.

We've seen this year's Christmas special, 'Twice Upon a Time', so to see you through till December 25, here's a big batch of hints and teasers.

What follows are minor spoilers – if you want to go in to Capaldi's swansong totally blind, then stop reading now, but otherwise, these titbits, lines and clues won't spoil your enjoyment of the episode. Honest.

1. That footage of William Hartnell morphing into David Bradley that featured in the first trailer? It appears in the episode itself – and it's not the only footage from Hartnell's last story, 1966's 'The Tenth Planet', to feature here.

2. There are also some fantastic, shot-for-shot recreations of surviving scenes from 'The Tenth Planet' featuring Bradley as the first Doctor, plus his companions Ben (originally Michael Craze, now played by Jared Garfield) and Polly (Anneke Wills in archive footage, Lily Travers in the new scenes).

BBC/BBC Worldwide

3. "This is it... the very first time."

4. We do get an explanation as to why the first Doctor looks different – fan theories will doubtless abound as to how this might be applied to Richard Hurndall in 1983's 'The Five Doctors'.

5. The first Doctor displays a Doctor Who fan's attention to detail, and disdain, when it comes to the changes made to the TARDIS since 1966.

6. Again, there is an explanation of sorts as to why the TARDIS looks different now. In particular, why it's bigger – Capaldi's big, blue TARDIS dwarfs Bradley's tinier, less conspicuous version.

7. There's a joke about doctors and nurses, but it's not naughty, nor is it – thankfully – in any way related to the imminent arrival of our first female Doctor.

8. "It's been rock 'n' roll."

Simon Ridgway BBC

9. The first Doctor is terrified by a glimpse of his future – and we're not just talking about his disgusted reaction to the sonic sunglasses.

10. There's an in-joke related to an actor who was considered for the part of the Doctor, but turned the part down.

11. "That's the trouble with hope... it makes one awfully frightened."

12. There are callbacks to one of Peter Capaldi's earliest outings as the Doctor (and also one of David Tennant's).

13. In what may be his final outing on the show, long-time composer Murray Gold re-uses many of his old classic compositions, including the haunting 'The Doctor's Theme' from way back in 2005.

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14. The magic of Christmas – peace on Earth, good will to all men and all that – is absolutely integral to the episode.

15. Peter Capaldi gets not one but two epic final monologues. His final scenes are properly heartbreaking and his grandiose final speech is capped off with a fitting final line.

What is it? As if we'd tell you that! Tune in to Doctor Who: 'Twice Upon a Time' on BBC One on Christmas Day at 5.30pm.

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