The TARDIS takes the Doctor and Donna to the furthest edge of adventure. To escape, they must face the most desperate fight of their lives, with the fate of the universe at stake.
Quest roles:
David Tennant(The Doctor), Catherine Tate(Donna Noble), Nathaniel Curtis(Isaac Newton), Susan Twist(Heckler (uncredited)), Daniel Tuite(The Doctor Acting Double), Ophir Raray(The Doctor Beast Double), Tommaso Di Vincenzo(The Doctor Contortionist Double), Helen Cripps(Donna Acting Double), Bernard Cribbins(Wilfred Mott)