Exactly 50 years after Dr Who was first broadcast on BBC One, at 5.15 pm on 23 November 1963, the special 50th Anniversary episode went out – this time to a few more viewers than in 1963.
The BBC broadcast the episode simultaneously to 75 countries as well as organising screenings of it at cinemas and big screens around the world.
In its 50th year the series is watched by an estimated 80 million viewers in 206 countries and has been honoured by the Guiness World Records as both the longest running and the most successful science-fiction series in the world
