Hercules: The Legendary Journeys Season 6 Episode 8 Full Circle

Evander has the power to create anything he wants just by thinking it. Zeus decides to use this power to free Hera so that they can make up. He takes Evander to the Abyss of Tartarus and has him free Hera, who has lost her memory. Unfortunately, this also releases the Titans, who go to attack Mount Olympus. Hercules has to stop them from destroying the pillar that holds up Olympus, because if it is destroyed, the entire world will be destroyed with Olympus.