Books·Posted on Nov 21, 2016J.K. Rowling Just Revealed Something Major About The "Fantastic Beasts" TimelineThe Harry Potter prequel series might get really dark by the end.by Andy GolderBuzzFeed Staff FacebookPinterestTwitterMailLink If you're a big Harry Potter fan, you've probably already seen Fantastic Beasts and Where to Find Them. Tap to play GIF Tap to play GIF Warner Bros. And you probably already know that the movie takes place in 1926. Tap to play GIF Tap to play GIF Warner Bros. Following the movie's opening weekend, J.K. Rowling revealed a bit of information about the series timeline: J.K. Rowling @jk_rowling Our story starts in 1926 and ends in 1945. It's just too big to fit in one movie! https://t.co/fb5GOGvTxq 10:30 AM - 21 Nov 2016 Reply Retweet Favorite Yep, the series will end in 1945, which is the same year that Dumbledore had his famous duel with Grindelwald! Tap to play GIF Tap to play GIF Warner Bros. Which means we might have to wait allllll the way until the fifth movie to see the duel. Tap to play GIF Tap to play GIF Warner Bros. But that's OK, just as long as poor Kowalski doesn't end up having to serve in BOTH world wars. Tap to play GIF Tap to play GIF Warner Bros. We're just going to have to be very, very patient. Tap to play GIF Tap to play GIF Warner Bros.