David Tennant is back in his role as the Doctor in the fourth series of the hit sci-fi show! Award-winning comedienne Catherine Tate returns as the Doctor's new companion reviving her role as Donna Noble. Also on hand to help the Doctor are some familiar faces as he has the New Dalek Empire to stop! Episodes Comprise: 1. Partners in Crime 2. The Fires of Pompeii 3. Planet of the Ood 4. The Sontaran Stratagem 5. The Poison Sky 6. The Doctor's Daughter 7. The Unicorn and the Wasp 8. Silence in the Library 9. Forest of the Dead 10. Midnight 11. Turn Left 12. The Stolen Earth 13. Journey's End