JK Rowling: I did say 'never say never' for Harry Potter
30 July 2016 Last updated at 15:26 BST
The long-awaited Harry Potter and the Cursed Child receives its gala premiere at the Palace Theatre in London.
The play has been in previews for the past six weeks.
The BBC's entertainment correspondent Lizo Mzimba managed to catch a quick word with the creator of Harry Potter, JK Rowling.