David Tennant steps into the role of the Doctor for a second series of adventures through time and space. Full of new thrills, new laughs and new heartbreak, this second instalment sees the Doctor and Rose defend the universe against a host of terrifying new monsters and aliens, as well as ominous opponents from the past. Together, they travel to the far future, cross dimensions, come face-to-face with the devil, and find themselves at the heart of a war between two of the Doctor's deadliest enemies.