Highest audience for a TV documentary

According to Official Guinness Records,

The world's highest audience for a TV documentary is 39 million for CBS' 9/11 (USA) programme which was broadcast in the USA on 10 March 2002. The documentary contained footage from French filmmakers, Jules and Gedeon Naudet, who were working on their own documentary about New York firefighters, at the time of the attacks on the World Trade Centers in New York on 11 September 2001.

For a complete list of 2002 records, please visit 2002 Guinness Records in United States.

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