After imprisoning the Titans beneath the ocean, the Greek gods Zeus and his wife Hera have a son named Hercules. While the other gods are joyful, Zeus' jealous brother Hades plots to overthrow Zeus and rule Mount Olympus. Turning to the Fates for help, Hades learns that in eighteen years, a planetary alignment will allow Hades to locate and free the Titans to conquer Olympus, but only if Hercules does not interfere. Hades sends his minions Pain and Panic to dispose of Hercules. The two succeed at kidnapping and feeding him a formula that turns him mortal, but fail to remove his superhuman strength before Hercules is found and adopted by the farmers Amphitryon and Alcmene.
Years later, the teenaged Hercules becomes an outcast due to his strength, and wonders where he came from. After his foster parents reveal the necklace they found him with, Hercules decides to visit the temple of Zeus for answers. The temple's statue of Zeus comes to life and reveals all to Hercules, telling him that he can regain his godhood by becoming a "true hero". Zeus sends Hercules and his forgotten infant-hood friend Pegasus to find the satyr Philoctetes—"Phil" for short—who is known for training heroes. The two meet Phil, who has retired from training heroes due to numerous disappointments, but Hercules inspires him to follow his dream to train a true hero who will be recognized by the gods. Phil trains Hercules into a potential hero, and when he is older, they fly for Thebes. On the way, they meet Megara—"Meg" for short—a sarcastic damsel who Hercules saves from the centaur Nessus. However, after Hercules, Phil, and Pegasus leave, Meg is revealed to be Hades' minion, having sold her soul to him to save an unfaithful lover.