Doctor Who is an English science fiction television series produced by the BBC network since 1963. The story revolves around an extraterrestrial time-traveling scientist who traveled to earth from Gallifrey, Planet of the Time Lords. Being a time lord himself, he tries to save the innocent from evil through his powers. During his journey through time and space, he never traveled alone, always had one companion alongside him. Adding to its greatness, this show has been recognized as one of the finest British television program of all time.