American TV station NBC is schedule to air a making-of special on Universal's Wizarding World of Harry Potter on Sunday, June 6th at 7pm/EST.
According to the press release:
Viewers will tour the immersive new land, explore the majestic corridors inside Hogwarts castle and wander the cobbled streets of Hogsmeade. Fans will also be treated to exclusive cast commentary and a sneak peek at the authentic detail woven through the entire environment, as well as the ground-breaking technology that will forever change the theme-park attraction experience.
Please check your local listings for times.