Harry Potter fans are out there in there millions, and they are going to be VERY EXCITED by this trailer.Fantastic Beasts and Where To Find Them is, of course, the story of Newt Scamander, a wizard and a writer and it's set 70 years previous to the events in the Harry Potter books.
It stars Eddie Redmayne as Scamander, and our own Colin Farrell as Percival Graves, a high ranking Auror.
It's set in New York when Scamander arrives at the Magical Congress of the United States of America (MACUSA), for a meeting with an important official.
Unfortunately, at this meeting his briefcase opens and a number of dangerous magical creatures escape, causing havoc in New York, a city where the witches and wizards are already living in fear of the New Salem Philanthropic Society (an organisation dedicated to destroying wizard-kind).
The film is due out on November 18th and is no doubt going to be a massive success for Warner Bros. Studios.
Watch the trailer below: