David Maloney
The only Classic Doctor Who episode in which the Doctor had no companion is 'The Deadly Assassin'
Doctor Who - 1963 The Deadly Assassin Part Four 14-12 is rated/received certificates of: Australia:PG UK:PG (DVD rating)
Doctor Who - 1963 The Deadly Assassin Part Two 14-10 is rated/received certificates of: Australia:PG UK:PG (DVD rating)
Doctor Who - 1963 The Deadly Assassin Part Three 14-11 is rated/received certificates of: Australia:PG UK:PG (DVD rating)
Doctor Who - 1963 The Deadly Assassin Part One 14-9 is rated/received certificates of: Australia:PG UK:PG (DVD rating)
The Cybermen's first appearance on Doctor Who was in the 1966 episode, The Tenth Planet.
So, that he could be saved from Shax the source's assassin. They never state why the doctor must die but they give possible reasons.
The first director for the show was Waris Hussein, who directed the very first episode "An Unearthly Child". He was born on 9th December 1938.
by pickpocketing the doctor
As directed by your doctor
The Doctor's Daughter was first, it is episode six of series four, Silence in the Library is episode eight.
According to a survey of Doctor Who fans the most popular Doctor Who episode was The End Of Time.