Daniel Radcliffe, Rupert Grint, and Emma Watson were just children when they starred in the first Harry Potter movie. Now, 20 years later, they are back together, as the entire cast got emotional over reunion in ‘Return to Hogwarts’ trailer, which was released on December 20.

The franchise brought the three child actors to fame and now the cast is reminiscing about the time they performed together.

‘The Return to Hogwarts’ will air in the New Year, Gary Oldman (Sirius Black), Jason Isaacs, and Ruby Coltrane, Helena Bonham Carter (Bellatrix Lestrange), Tom Felton (Draco Malfoy), Evanna Lynch (Luna Lovegood), Oliver Phelps (George Weasley), Oliver Phelps (George Weasley), Bonnie Wright (Ginny Weasley), Matthew Lewis (Neville Longbottom) are just some of the stars who have been featured in Reunion Special.

"The thing that scared me the most was the most meaningful thing that ever happened to us," Radcliffe said. "And I'm glad to see everyone like that, even though it wasn't", Radcliffe added.

Emma Watson, who teared up in the trailer has said that "It feels like time has not passed, but loads of time has passed.

Meanwhile, Rupert Grint has said, "We are a family and we will always be a part of each other's lives".

According to the synopsis HBO Max, the return to the Hogwarts Special will tell a fascinating story through all-new, in-depth interviews and cast conversations.

It is pertinent to mention Harry Potter 20th Anniversary: Return to Hogwarts will premiere on HBO Max on January 1, just as the clock strikes midnight and the New Year begins and features almost every cast member, the fans remember.

https://www.youtube.com/watch?v=fFGS4zZWGoA