The BBC Media Centre have released the synopsis for episode 3, Robots of Sherwood
In a sun-dappled Sherwood forest, the Doctor discovers an evil plan from beyond the stars and strikes up an unlikely alliance with Robin Hood.
With all of Nottingham at stake, the Doctor must decide who is real and who is fake. Can impossible heroes really exist?
The episode airs on the 6th of September, with time to be confirmed.