The Doctor is a Time Lord: a 900 year old alien with 2 hearts, part of a gifted civilization who mastered time travel. The Doctor saves planets for a living—more of a hobby actually, and the Doctor's very, very good at it.
2005-03-26 - 2021-12-05
| Title | Name |
|---|---|
| Season 4, Episode 1 | Partners in Crime |
| Season 4, Episode 2 | The Fires of Pompeii |
| Season 4, Episode 3 | Planet of the Ood |
| Season 4, Episode 4 | The Sontaran Stratagem (1) |
| Season 4, Episode 5 | The Poison Sky (2) |
| Season 4, Episode 6 | The Doctor's Daughter |
| Season 4, Episode 7 | The Unicorn and the Wasp |
| Season 4, Episode 8 | Silence in the Library (1) |
| Season 4, Episode 9 | Forest of the Dead (2) |
| Season 4, Episode 10 | Midnight |
| Season 4, Episode 11 | Turn Left |
| Season 4, Episode 12 | The Stolen Earth (1) |
| Season 4, Episode 13 | Journey's End (2) |