Trailers: Dr. Who Christmas Special and Spin-Off Series

Trailers have been released for both the Dr. Who Christmas special and the spin-off series titled Class.
The Christmas special involves the Doctor running into a superhero played by Justin Chatwin. Check out the trailer and an image of Chatwin below.


Finally, there is the trailer for spin-off Class. The Doctor will make an appearance, but he is not the focal point of this new series. Check out the trailer below.