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.
1994
2007
1966
2021
2023
1989
2006
2014
2005
1964
2022
1984
1999
1996
1979
2018
1993
