it’s time to watch the Harry Potter reunion online, which lives up to the hype with candid interviews of all the stars and great behind-the-scenes tidbits.

HBO Max is hosting Harry Potter 20th anniversary: Return to Hogwarts, which features Daniel Radcliffe, Emma Watson, Rupert Grint and other major cast members (as well as crew). But the streaming service to watch the Harry Potter reunion will vary based on where you are. 

Harry Potter 20th Anniversary: Return to Hogwarts began streaming on HBO Max (opens in new tab) at 3 a.m. ET on Saturday (Jan. 1).