Doctor Who fans, are you ready for the new season to begin? You might have seen some of these teasers before but to whet your appetite for the first episode of series eight, Deep Breath, which broadcasts on BBC One at 7.50pm on Saturday 23 August, here are all the images and trailers we so far have about the 12th Doctor.

Doctor Who Deep Breath Preview Photo 1
Clara and the Doctor mull over a problem in series eight season opener Deep Breath BBC

In the first new episode of Doctor Who, the Doctor, played by Peter Capaldi, travels back to Victorian England with faithful companion Clara (Jenna Coleman), who is still not used to his new form.

Doctor Who Deep Breath Preview Photo 1
The Doctor's companion Clara is still getting used to his new form and the redecorated Tardis BBC
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"The Doctor has changed. It's time you knew him." BBC

While in London, the duo will come face-to-face with a huge Tyrannosaurus rex rampaging through the city, as well as a series of deadly spontaneous combustions.

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Madame Vastra and Strax in Deep Breath BBC

There will also be more alien creatures to meet and get to know in the Victorian world of Deep Breath, including Madame Vastra, Strax and human cyborgs.

Peter Capaldi and Jemma Coleman star as the 12 Doctor and his companion in Deep Breath, the first episode of the new series of Doctor Who
Can the Doctor and Clara learn to work together again? BBC

Can Clara and Doctor Who repair their strained friendship before it's too late and save the day? Peter Capaldi said in a recent interview that by regenerating, the 12th Doctor had essentially lost his personality and must strive to work out who he is.

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The 12th Doctor and his companion fit right into the Victorian period BBC

As for the rest of series eight, there are rumours that Coleman is to leave the show, although the BBC is keeping mum. The wait is almost over, so as we count down the hours, here is the not-too-spoiler-ridden trailer for the new Doctor Who season: