The new BBC America Doctor Who trailer is very spoilery.



But one thing I will say (and it may be a spoiler so I've used rot-13) is that V'z cerggl fher gubfr jrer abg gur arj Qnyrx Yvgr inevnag; gurl jrer gur byq-fpubby qrfvta.

If you need it there's a translator at
http://www.rot13.com