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.
1963
2006
2024
2007
2002
2005
1987
2010
2012
2004
2011
2013
2014
2017
2021
