The first teaser trailer for the new series of Doctor Who was shown on BBC America last night. It does not show any clips from the new serie, just teases its return.
The 35th series returns to our screen in September.
Here is the clip.

"It entirely depends on whether we've got a good story. It's certainly not ruled out. I have a sort of worry about keeping anybody around in the Doctor's life for too long. Because he's the Man who Leaves. He's the man who outlives everybody: that's his story. In the end it's the boy in his box, and he's alone. In the end if we had a great story, we'd do it."
"I mentioned in passing to Russell that we were probably done with River. He said, 'You can't be done with River! No, no, no. Capaldi and Kingston, it's a sex storm!' So if you see an episode called Sex Storm by Russell T Davies in his post-Cucumber years... [there will be] lots of editing from me saying 'We really can't do that, you've forgotten which show this is….'"