above to see some of the film’s stars receiving invites to the affair, while another reads the Daily Prophet, which bears the headline, “Hogwarts Welcomes Back Alumni.”“Harry Potter 20th Anniversary: Return to Hogwarts” reunites Daniel Radcliffe, Rupert Grint, Emma Watson, and various cast members and filmmakers from the eight films, as they celebrate the anniversary of the debut Potter film — “Harry Potter and the Sorcerer’s Stone.”The special will feature new interviews with the cast, as well