Zeus and hera are having an argument that got started because Zeus forgot thier aniversary. Hercules thinks thinks he is the reason they are fighting after Zeus is gruff with him so he begins putting himself into deadly situations to prove himself. Meanwhile Hades tricks both Zeus and Hera into leaving Mt. Olympusand he takes control of it.

Hecate is kidnapping all of the great heroes, planning to transfer their greatness into a newly created monster.

We see how the Greek Gods got their position when helping to build Greece. Morpheus' younger brother Phantasos makes a blanket of nightmares to drag through the night sky giving everyone nightmare because he should've been made The God of Sleep instead of Morpheus. The mortals' nightmares start to concern all the Greek Gods including Morpheus. It's up to Hercules and Phil to stop Phantasos' plot in their shared dreams.

When Hercules tears the stars from the heavens, he frees the constellation Orion, who comes down to earth in order to give the young hero archery lessons. However when the rest of the constellations pour down from the sky and start to attack the neighboring city-states, both Orion and Hercules have a lot of explaining to do.

When Hades finds out that there is a problem with one of the dead souls, he goes and finds out that it is Jafar causing the trouble. He gives him back his life so he can get rid of Hercules.

When Adonis is drafted into the Spartan ROTC, he begs Hercules to save him; so they join him disguised as soldiers, and it's found that Icarus excels at army life.

Hercules falls for the eccentric Electra, and takes on a counter-culture personality in order to get her to like him.

Taking place after the Hercules movie, Hercules is moving his stuff from Phil's old place to his new place. While looking through the old stuff, Meg finds Herc's old yearbook. Hercules, not wanting to be embarassed, takes the yearbook, and hides it. Meg finds it, and we are shown a clipshow of past episodes, ending with a musical number.

Hippocrates, the father of medicine, comes to Athens and takes Hercules and Icarus on as assistants during a school internship week. Meanwhile, Hades, fearing a successful doctor will cut down on the number of dead people tricks Hercules into spreading the plague throughout Athens.

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.

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.

Icarus poses as a cupid so he can get a love arrow to make Cassandra love him, but the joke's on him when he accidentally uses "loathe" arrows instead. Meanwhile, Pain and Panic get a hold of the loathe arrows and create havoc all over the country.

Hercules is introduced to Jason, the Argonaut, a great seafaring hero and one of the most patient men of all time, having spent 30 years searching for the Golden Fleece - and not having found it yet. Jason invites Hercules on board for a journey, and gives him a chance to seek the Fleece with him.

Hercules turns into a secret agent when he journeys to the kingdom of Lycia to stop the madman King Midas from turning all he touches into gold.

Upon visiting Odysseus's traveling museam, Hercules winds up out to sea with Odysseus's shy and awkward son Telemachus, and three spare ex-crew members of the Argo. The group encounter a number of threats, and Telemachus learns to be self confident in order to save his family.

When Adonis wants a swimming pool, his servants accidentally awaken Earth goddess Gaia, and she curses Adonia to die before nightfall. This in turn causes Adonis to swallow his pride and beg Hercules for help.

While on spring break at the seaside, everyone is having fun in the sun except Cassandra, who is content to read despite Icarus' determined efforts to get her attention. When she finally blows her top, he winds up sobbing in Hercules' arms and is charmed by the mysterious Circe.

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.

Icarus' bright idea once again backfires when he talks Hercules into visiting the Fates to convince them into reweaving their cosmic Tapestry so that the boys can score some hot concert tickets. However when they refuse, Icarus takes things into his own hands and messes with the Tapestry himself and trouble insues.

A three day weekend festival that celebrates Zeus' victory over the evil Titans occurs but when Hercules accidentally frees the titan Typhon, he doesn't feel much like celebrating.

It's Parents Weekend, and Hercules can hardly wait for Zeus and Hera to show up but when his mortal adopted folks show up instead, he's crushed. And in turn so are they at his disappointment.

When Phil suffers through a mid-life crisis, he abandons the training program, quits his gig as Hercules' mentor and gets a job selling spears door-to-door. And it's up to Hercules to win him back!

Hercules' heart is broken when his girlfriend (of only three days) breaks up with him, so Phil takes the kid on a trip designed to take his mind off of things. But Herc meets Lavinia on this trip, who is eager to get married...to him...and not only is he faced with rejecting her, but her previous boyfriend just happens to be the same guy Herc conquered that very trip.

Daedalus, the famous inventor-architect and father of Icarus, is commissioned by the evil King Minos of Crete to build the Labyrinth. Father and son travel to Crete to complete the project, unaware that it will soon house a terrible monster - and his new Athenian victim for the twisted king's pleasure.

The lonely outcast Medusa is granted her wish to be human. But what will Hercules' reaction be when he finds out the truth?