Young Hercules (1998)

S1E50 Valley of the Shadow

Hercules, Iolaus, and Theseus heed the guidance of an enigmatic old man and venture into a game-filled region. Unbeknownst to them, this place is Hera's Valley, safeguarded by a fearsome beast. In addition, the peculiar old man is actually Zeus, the King of the Gods and Hercules's father, who is putting his son to the test with this dangerous challenge.