Life at Barney's apartment would be fairly normal were it not for the talking koala, Crazy Keith, who lives under his floorboards and his flatmate, Nev the bear, who regularly aggravates the caretaker of the block; the allergy ridden and very grouchy Mr Angry Pants.
In this animated adventure, The Doctor and Martha Jones trek through space and time in a race against the galaxy's greatest despot, Balthazar, to follow a complex trail of clues to discover the location of the legendary lost spaceship, the Infinite, which, according to myth, can grant anybody their heart's desire.
A look at everything Doctor Who, with exclusive behind-the-scenes clips, interviews with the programme's stars and competitions.
