Prime's also showing, at various times over the next week-and-a-half, Diana and the Paparazzi; Diana: Seven Days that Shook the World; Diana: The Day the World Cried. On the Living Channel there will be the three-night conspiracy-theory flavoured Princess Diana: Tragedy or Treason? The History Channel has Diana: 20 Years on. TVNZ's showing Diana: 7 Days and the boy-follows-in-mother's-footsteps tale Prince Harry in Africa. Three, which has already screened one Diana programme this month has Diana, Our Mother: Her Life and Legacy.
The National Geographic Channel will screen Diana: In Her Own Words, which is not the same thing as the controversial C4 production Diana In Her Own Words, which has not been scheduled for broadcast here, at least not yet.
Amid it all, there may be something new or revelatory. Let's be generous and say it'll be
1 per cent of the revisiting, rehashing, speculating, revising whole.
"Even when you died / Oh the press still hounded you" Elton John sang of Marilyn Monroe in Candle in the Wind, words that were no longer there when he rewrote the song for his performance at Diana's funeral.
How many insights can be left into a life so relentlessly exposed when it still existed, then remorselessly exhumed for re-examination on every half-assed anniversary since? Whatever the answer, it's enough for at least the 12 separate television programmes mentioned here, some of which have more than one part, with enough content left over for scheduling if ratings suggest that may be worthwhile.
She was beloved by millions, and those millions wanted continually to see her face, her smile, her words and deeds - to know what she was up to, what life was like for her. And they probably still do.