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.
Rose
Season 1 • Episode 1
The End of the World
Season 1 • Episode 2
The Unquiet Dead
Season 1 • Episode 3
Aliens of London (1)
Season 1 • Episode 4
World War Three (2)
Season 1 • Episode 5
Dalek
Season 1 • Episode 6
The Long Game
Season 1 • Episode 7
Father's Day
Season 1 • Episode 8
The Empty Child (1)
Season 1 • Episode 9
The Doctor Dances (2)
Season 1 • Episode 10
Boom Town
Season 1 • Episode 11
Bad Wolf (1)
Season 1 • Episode 12
The Parting of the Ways (2)
Season 1 • Episode 13
