The home movie images are part of Charles’s personal television Jubilee tribute to his mother, the Queen, which uses archive newsreels and previously unseen royal films and photographs.
He reveals the personal side to royal life, such as his mother practising wearing the crown for her coronation.
“I remember my Mama coming, you know, up, when we were being bathed as children, wearing the crown - it was quite funny - practising,” he says.
A Jubilee Tribute to the Queen by the Prince of Wales will be broadcast on BBC One at 8pm on Friday June 1.
Prince Harry helps injured rival polo player Businessman Bash Kazi.
“I remember waking up with these piercing blue eyes looking at me,” Kazi told The Washington Post.
07 March 2012. Harry is in an official visit as part of the celebration of her grandmother, Queen Elizabeth II, crowning Diamond Jubilee.
EPA/RUDOLPH BROWN
Prince Henry of Wales, known as Prince Harry of Britain, arrives at the airport in Rio de Janeiro, in southeastern Brazil, on Friday, March 9, 2012. Harry is in an official visit to Brazil as part of celebrations of Queen Elizabeth Diamond Jubilee and a government trip to promote the upcoming 2012 London Olympic Games. Photo: GLAICON EMRICH/BRAZIL PHOTO PRESS/AE