Doctor Who first begain in 1963 and has now become the longest running Sci - Fi show ever.
The doctor is a man from the planet galifrey who has had ten lifes so far. Through the years the doctor has faced Daleks, Cybermen and Sontarans plus more ..
He Travels around in a Big Blue Box called the TARDIS. Which stands for Time and Relative Dimension in Space.
First Doctor = William Hartnell = 1963 - 1966
Second Doctor = Patrick Troughton = 1966 - 1969
Third Doctor = John Pertwee = 1970 - 1974
Fourth Doctor = Tom Baker = 1974 - 1981
Fith Doctor = Peter Davison = 1981 - 1984
Sixth Doctor = Collin Baker = 1984 - 1986
Seventh Doctor = Sylvestor McCoy - 1986 - 1996
Eighth Doctor = Paul McGann = 1996
Ninth Doctor = Christopher Eccleston = 2005
Tenth Doctor = David Tennant = 2005 - 2010