The Show. Doctor who is a popular science fiction series, which has run for 43 years as of this date. Started in 1963, it ran to 1989 when it was put on hiatus. Besides a
TV movie, the only new Doctor who was in books, audio and webcasts for 16 years. The series started back up in 2005, and has been running since.
The Doctor. The Doctor is a
Timelord from
Gallifrey, which in the recent series has been revealed to be destroyed. He usually saves the Earth/The Universe/Civilisation as we know it on a day-to-day basis. Generally talks alot, though it varies from
regeneration to regeneration. Often, no, almost always has a compainion (A friend - not that way either.) travelling with him. Want to know more? Wiki has a large article on it which can explain it better than i can. Just look up 'Doctor who'