There are some things you should never say to a Harry Potter fan.

A list of the top 10 Harry Potter moments that enrage even die hard fans

The CineFiles brings you news of castings, reunions and controversy this week! Kicking things off is the news that Oscar-nominated actress Margot Robbie is reuniting with Leonardo DiCaprio on Quentin Tarantino's new film Once Upon a Time in Hollywood, also starring Brad Pitt! Jake Gyllenhaal is also reteaming with director Dan Gilroy of Nightcrawler fame! The two will be working on a untitled Netflix horror film with Rene Russo and John Malkovich. And the top story is the controversy surrounding the new Fantastic Beasts: The Crimes of Grindelwald trailer, where a certain spell has potterheads up in arms! So sit back, relax and enjoy this instalment of The CineFiles, where we count down to week's biggest news in cinema! Oh and also check out the CineFiles Extended Cut! Available on: YouTube: www.youtube.com/mojotalks iTunes: https://apple.co/2pj3OQB Google Play: http://bit.ly/2pjs44a Stitcher: http://bit.ly/2FI4byk

Here’s how the magic really happened. For this list, we're counting down the most surprising, shocking, weirdest, strangest and most secretive behind the scenes stories from everyone's favourite Wizarding World film franchise, the Harry Potter movie series. With hints at who dated who, plus startling revelations about unusual on-set behaviour, and some in-the-know trivia about some of the saga's most famous scenes - this one's for all you potterheads out there!

Faithful, fierce and seemingly infinite in number, fandoms have slowly infiltrated the lives of thousands of people on the planet. Join http://www.WatchMojo.com as we count down our picks for the top 10 movie and television fandoms.