Muggles, rejoice! 

On Monday, Dec. 20, HBO debuted the official trailer for Harry Potter: 20th anniversary of Harry Potter: Hogwarts is Back, which will stream Jan. 1 on HBO Max. 

Celebrating the 20th anniversary of the release of the first film in the series, Harry Potter and Sorcerer’s StoneThe trailer is available here Daniel Radcliffe, Rupert GrintAnd Emma Watson sitting down at Hogwarts to reminisce about one of the most beloved film franchises in history. 

The wizards themselves walk back in time and onto the set, flashing all the way back to the 9 ¾ track. 

Consider a memory that is powerful. Make it the happiest you can remember,” says Radcliffe as he walks down the street of Hogsmeade.

Everyone—and mean everyone—comes together in the grand hall of the Hogwarts School of Witchcraft and Wizardry including Helena Bonham Carter (Bellatrix Lestrange), Ralph Fiennes (Voldemort) and Gary Oldman (Sirius Black) for a merry reunion full of dancing, musical performers, and champagne toasts rife with hugs and laughter. Everyone sits down to reminisce over their historic, unforgettable time working on the iconic film franchise. Harry PotterThe Sorcerer’s stone