Watch Hercules for Free: How to Stream the Movie Online at 123Movies. . Bestowed with superhuman strength, a young mortal named Hercules sets out to prove himself a hero in the eyes of his father, the great god Zeus. Along with his friends Pegasus, a flying horse, and Phil, a personal trainer, Hercules is tricked by the hilarious, hotheaded villain Hades, who's plotting to take over Mount Olympus!