HBO Max are gearing up for the broadcast of their Harry Potter Reunion special on New Years Day.
The reunion show is to mark twenty years since the release of the first film of the franchise.
A number of the movie's stars are taking part in the reunion including Daniel Radcliffe, Emma Watson, Rupert Grint, Robbie Coltrane, Helena Bonham Carter, Gary Oldman, Tom Felton and more.
Harry Potter creator JK Rowling will not be taking part in the TV special but may be included in archival footage.
In the teaser for the show we see the film's stars receiving letters from Hogwarts and a front page spread on the Daily Prophet about the return of the stars to the wizarding school.
You can watch the full trailer here: