Doctor Who is science fiction television programme. It centres on a time traveller called The Doctor who comes from a race known as the Time Lords. The home planet of the Time Lords is Gallifrey. The Doctor and his companions explore the universe in a time travelling ship known as the TARDIS.
In their travels Doctor Who and his companions face various enemies as they work to right wrongs and save people and civilisations. The programme has attracted audiences of up to 14 million in the UK and is currently broadcast weekly in over 50 countries.
The first episode of Doctor Who appeared on BBC1 television in the year 1963 On This Day.