A set of new promotional photos have been released for the third episode of Doctor Who‘s new series, titled ‘Robot Of Sherwood’.

Written by Sherlock co-creator Mark Gatiss, the episode airs at 7.30pm on Satuday 6 September on BBC One.

‘Robot Of Sherwood’ guest stars Tom Riley as Robin Hood and Ben Miller (Death in Paradise) as the Sheriff of Nottingham.

The synopsis reads: “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?”

Watch the trailer…

> Here’s everything we know so far about Series 8.

Are you looking forward to ‘Robot Of Sherwood’? Let us know below…