The Specials

With his end approaching, the Tenth Doctor journeys alone, meeting a man who believes that he is the Doctor, aristocratic cat burglar Lady Christina de Souza, commander of Earth's first Martian colony Adelaide Brooke, and finally the return of the Time Lords themselves, led by Rassilon the Resurrected.

1. The Next Doctor
2. Planet of the Dead
3. The Waters of Mars
4. The End of Time