Yesterday BBC America showed a quick trailer(The one we all have seen by now). The only thing different? The screen cap above. Instead of ending in its normal “New Season: Coming This Fall” it ended in Saturday September 8th(A week off of the rumoured September 1st date).
The problem comes after this, it seems BBCA pulled the trailer with this special ending and has yet to air it again. So was it a mistake, on the air date, or the fact that they weren't supposed to air it at all and jumped the gun.(My bet is this one).
But maybe it could be both the 1st and the 8th, they could be going back to BBCA getting a later air date then normal, unlike last series that aired on the same day. Who knows (Pun intended again).
Hopefully we will have the trailer up soon for you, and it stays up. As always more information will be posted as we get it.