The tenth Doctor David Tennant returns for the fourth of the revived "Doctor Who" series, which introduces comedienne Catherine Tate as regular companion Donna Noble (originally featured in the 2006 Christmas special) with support from friends Martha Jones (Freema Agyeman), Sarah Jane Smith (Elisabeth Sladen) and Captain Jack Harkness (John Barrowman).

In this series the Doctor must face the Daleks, Davros and the Sontarans! Episodes comprise:

1. Time Crash
2. Voyage Of The Damned
3. Partners in Crime
4. The Fires of Pompeii
5. Planet of the Ood
6. The Sontaran Stratagem
7. The Poison Sky
8. The Doctor's Daughter
9. The Unicorn and the Wasp
10. Silence in the Library
11. Forest of the Dead
12. Midnight
13. Turn Left
14. The Stolen Earth
15. Journey's End

Special Features:

• Thirteen episode audio commentaries
• VOYAGE OF THE DAMNED audio commentary
• Children In Need Special: Timecrash
• Thirteen Doctor Who confidential Cut downs
• Deleted scenes
• David Tennant Video Diaries
• 30 Minute retrospective documentary looking back at series 1-4
• Series 4 trailers