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.
2021
2002
1979
2023
2024
1997
2006
2000
2014
1996
1988
2008
2004
2018
2022
2001
