Brigsby Bear (2016) online

20-something James grows up in seclusion, obsessed with a children's TV show called 'Brigsby Bear Adventures.' One day the police show up, and he learns his 'parents' are actually kidnappers who have been producing the show to brainwash him. As James reunites with his biological family and struggles to adjust to a new life, he makes it his personal mission to finish Brigsby's story and bring it to the rest of the world.