Sir Trevor McDonald and Julia Bradbury count down the Top 20 Greatest National Treasures of all-time.
The Godfather Family: A Look Inside
1990
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Unlocking Sherlock
2014
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Louis Theroux: Twilight of the Porn Stars
2012
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And the Oscar Goes To...
2014
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4 Little Girls
1997
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Seven Up!
1964
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Biggie: I Got a Story to Tell
2021
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David Bowie: Five Years
2013
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David Byrne's American Utopia
2020
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One Direction: This Is Us
2013
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