The clip shows Harry being interviewed in an empty room as he sits on a green couch.
He goes on to say: "Yes, lives are being changed on the track, but lives are also being changed on the stands".
Spotlight on: Endeavour Fund Today we are taking a look back at the awesome work done by the @EndeavourFund, an organisation created by The Duke of Sussex to support the Armed Forces community.
In the documentary, elite athletes and insiders reflect on the Paralympic Games and examine how they impact a global understanding of disability, diversity and excellence.
The documentary tells the story of the Paralympic movement which developed after the Second World War and in recent years has changed attitudes to disability, diversity and human potential.
Harry appears in the programme as in 2014 he set up the Invictus Games - a multi-sport event for wounded, injured or sick armed services personnel and their associated veterans - which follows a similar ethos to the Paralympics.
The 2020 edition was due to take place in May at The Hague - but just like the Games in Tokyo it had to be postponed to 2021.
The games and associated foundation was set up by Harry after he had seen a similar initiative in the USA, called the Warrior Games, and he realised the impact of sport for those with serious injury.
The film will launch on Netflix on August 26. McFadden also serves as a producer on the film. "But this decision was the most sensible and the safest option for all of you-for your families and everybody else-involved in these Games".
"I know how disappointed you all must be".
Harry's debut on a streaming channel comes four months after Meghan was featured in a Disney+ documentary, Elephant. Prince Harry appears in the trailer for the Rising Phoenix film, sitting on a leather green sofa in a warehouse-style studio in the United Kingdom and dressed casually in a khaki shirt and chinos.
He said: "Who wouldn't be interested?"