Ares hatches a plan to overthrow sister Athena's city-state and demands an ultimate weapon of destruction from Hephestus, who creates the Armageddon Bow. The weapon is so deadly and accurate that Athena comes to Hercules to help her find and destroy it.

When an assassination attempt on the leader Pericles overlaps with Hercules' theft of a dangerous weapon from Phil's collection, Phil gets framed for the deed.

Hades makes a deal with Poseidon to hand over Athens, in order to rule the whole country, causing Athens to becomes a place of doom and Prometheus Academy to become the home base of torment for students.

Hades decides to throw a pool party, and invites all of Olympus to take a dip in the Lethe Waters of Forgetfulness, causing them all lose to their memories. Meanwhile, with the gods out of commission the whole world is in chaos.

Ares sends his two sons, Fear and Terror, to kidnap Athena's precious Owl of Wisdom when she angers him. But the joke's on him when Athena entrusts the magical bird to Hercules for protection.

The Queen of the Night, Hecate, plots to overthrow Hades and take over the Underworld, ousting Pain and Panic in the process. The two minions turn to Hercules for help, and convince him to restore Hades back on his throne - Hades being, after all, the lesser of two evils.