The original cast of the Harry Potter series will be reunited for the 20th anniversary.
To celebrate a special titled Return to Hogwarts will be released on 1 January 2022. This will be available on the HBO network.
In the documentary Daniel Radcliffe, Rupert Grint and Emma Watson will discuss the films and explore their creation in depth.
The first film, Harry Potter and the Philosopher’s Stone, on 16 November 2001.
The trio will be joined by other actors who took part in the films.