Who is "Doctor Who"?

At 5:16pm on November 23, 1963, British audiences settled in front of their flickering black-and-white TV sets to watch "An Unearthly Child," the first episode of a new BBC series. 50 years on and "Doctor Who" has become the most successful science-fiction series ever. <!-- -->
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</br>By <strong>Kevin Taverner, Inez Torre, Nick Hunt</strong>, CNN with <strong>Lauren Said-Moorhouse</strong>, for CNN<!-- -->
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</br><a href='http://www.bbc.co.uk/doctorwho' target='_blank'>Source: BBC/Doctor Who</a>

At 5:16pm on November 23, 1963, British audiences settled in front of their flickering black-and-white TV sets to watch "An Unearthly Child," the first episode of a new BBC series. 50 years on and "Doctor Who" has become the most successful science-fiction series ever.

By Kevin Taverner, Inez Torre, Nick Hunt, CNN with Lauren Said-Moorhouse, for CNN

Source: BBC/Doctor Who