All 8 'Harry Potter' movies are available to stream exclusively on HBO Max, but can still air on NBCUniversal TV networks

· HBO Max launched on Wednesday and all eight "Harry Potter" movies are available to stream.
· NBCUniversal had previously owned the digital rights to the movies until 2025.
· An HBO representative told Business Insider that Max will be their exclusive streaming home, but they can still air on NBCU's linear TV networks, like...