The #HarryPotter series has been officially greenlit for Season 2 at HBO, which will adapt #ChamberOfSecrets. • Season 2 will begin filming this fall. • The news aligns with the network’s plan to adapt all 7 “Harry Potter” books into 7 seasons of television over the course of a decade. • Jon Brown (HBO’s “Succession,” “The Franchise”), who is a writer on season one, has been elevated to co-showrunner for season two.