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.
1966
1999
1997
1986
2005
1993
2001
2009
2019
2018
2023
1964
1998
2022
