Here it is, finally the title and synopsis for Episode 12 which is called The Stolen Earth
The Stolen Earth
Earth's greatest heroes assemble in a time of dire need, in tonight's penultimate episode. But can the Doctor's secret army defeat the might of the new Dalek Empire?
With battles on the streets and in the skies, the Doctor and Donna must brave the Shadow Proclamation to find out the truth. However, a fearsome old enemy waits in the shadows...