Based on

Movies like Hercules: Zero to Hero (1999)

After defeating Hades for good, Hercules marries Meg and revisits his teenage years. In particular, it shows an adolescent Hercules's enrollment and the beginning of his adventures at the Prometheus Academy, a school for gods and mortals, which Herc supposedly attended during the time when he was training to be a hero with his mentor, the satyr Philoctetes. A compilation of Hercules: The Animated Series episodes 47, 49, 53 and 54.