As the Harry Potter and the Philosopher's Stone film marks its 25th Anniversary, and anticipation builds for the HBO Original Series, Warner Bros. Discovery unveils its spectacular Back to Hogwarts programme – an extended celebration packed with live events and exclusive content across Europe, North America, LATAM and APAC.LONDON, July 22, 2026 /PRNewswire/ — Wands at the ready: Back to Hogwarts returns for 2026 with a global celebration bringing fans together in cinemas, at live events, online, in stores and at home.Every year on 1st September, fans around the world mark the day students return to Hogwarts. What began as a…