Richard Curtis on 'anti-time travel, time travel movie'
8 August 2013 Last updated at 19:17 BST
The man behind Four Weddings and a Funeral, Notting Hill, and Love Actually, Richard Curtis, has directed what he says could be his last film.
About Time is the story of a man who discovers he can travel in time and change what happened in his life.
Lizo Mzimba spoke to him at the world premiere in London.