Prince Harry is reportedly in discussions to produce a documentary about Princess Diana, 3 decades since her passing. The project comes as Earl Spencer's book on his relationship with Diana settles. As the dust settles on Earl Spencer's book, what will Harry do next? The Times. The Times reports that Harry is in a bind, so of course he is planning a Diana documentary. The Telegraph states Prince Harry is in talks to make a Diana documentary. People.com exclusively reports Prince Harry is exploring a Princess Diana documentary, 30 years after her death.