The BBC have revealed that in this years Doctor Who Christmas special will see the Doctor team up with a comic book superhero called Doctor Mysterio.
The 60 minute episode, called The Return of Doctor Mysterio, will be written by Steven Moffat and broadcast on BBC One on Christmas Day.
The Doctor (Peter Capaldi) will work with the superhero Doctor Mysterio (Justin Chatwin) to save New York from a deadly alien threat.
Charity Wakefield and Matt Lucas will also be appearing in the episode.
Chatwin said: “Working with the amazing people at Doctor Who has been one of the most fun and rewarding projects I’ve ever had the pleasure of being involved with.”
Moffat said: “I’ve always loved superheroes and this Christmas Doctor Who dives into that world. My favourite superhero is Clark Kent. Not Superman, Clark Kent.”