For all you Who fans and I know there must be a few who frequent these boards, the 50th trailer is up, here in Oz anyway.  But if you look...tumblr then you will find.  EPIC, Rose=Bad Wolf, The Two Dr's brainy specs, The Hurt Dr Tardis, The Moment is a red diamond, Zygons, Sontarins more, more, more!!
 
Excited

I've seen a few teasers on BBC America.  They look pretty interesting.  It will be airing on 11/26 in the U.S. 

 
Here's the latest trailer I've seen on the BBC so far...
 

 
 
And what the 'experts' surmise is going on in it:
 

 
 
 
 

I don't care about Dr. WHO but it is good to see you Ben!!!!
 
J