Pottermore treats visitors to HP Celebration to some benind the scenes footage of Fantastic Beasts and Where to Find Them.

Set in the Harry Potter universe the film is based on a short story J.K. Rowling released for Comic Relief.

Count yourself very lucky indeed, because you're about to get a behind the scenes glimpse of @FantasticBeasts...https://t.co/FHTQNFrrBt

— Pottermore (@pottermore) January 31, 2016