Videos: Trailers, Teasers, Featurettes
The Doctor is a Time Lord: a 900 year old alien with 2 hearts, part of a gifted civilization who mastered time travel. The Doctor saves planets for a living—more of a hobby actually, and the Doctor's very, very good at it.
Doctor Who - watch online: stream, buy or rent
Currently you are able to watch "Doctor Who" streaming on Amazon Prime Video.