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
2004
2010
2002
2014
2013
2003
2005
2011
2008
1987
