MORE 'FANTASTIC BEASTS':
Unlike the 'Potter' films, JK Rowling has penned the screenplay entirely by herself, leading to a captivating insight into the world she created on a train journey 20 years ago.
'Fantastic Beasts' stars Eddie Redmayne as Magizoologist Newt Scamander around 70 years prior to the birth of the boy wizard.
Fans were quick to express their unbridled joy.
Fantastic Beasts trailer has arrived. Excuse me while I watch it over and over again.— The Boy Who Lived (@HalfBloodTweet) December 15, 2015
Cause of death: Fantastic Beasts trailer— Harry Potter (@HtothePotter) December 15, 2015
Harry Potter read Scamander's books for his course at Hogwarts, learning about his global travels in pursuit of curious new magical animals.
'Fantastic Beasts' explores Scamander's career in wizarding New York and is released in November 2016.
Watch the trailer, above.