The son of the Greek Gods Zeus and Hera is stripped of his immortality as an infant and must become a true hero in order to reclaim it.
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.
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 accidently uses ""loathe"" arrows instead. Meanwhile, Pain and Panic get a hold of the loathe arrows and create havoc all over the country.
A terrorist group, representing the imprisoned Titans, takes the school hostage and demands Hercules as their prisoner.
Hecate is kidnapping all of the great heroes, planning to transfer their greatness into a newly created monster.
When the Academy decides to put on a play for the gods, Hades hires Pain and Panic to carve a magical rock that will make all the gods go to sleep and uses Icarus as bait.
In order to stay up all night studying for exams, the boys go to the cave of Morpheus and beseech the god of sleep to hold off for a few days. Morpheus resists the idea, but when Hercules accidently puts him to sleep, Icarus won't let him wake up, causing all of Greece (and parts of Persia) to stay awake for a week while chaos breaks loose and insomnia related disasters pile up.
The Trojan War occurs in the form of a high school rivalry between the Prometheus Academy and their Trojan rivals. When a mindless prank gets out of hand and Helen the Home Coming Queen is ""kidnapped"", the whole gang decides to rescue her by sneaking in to the Trojan school inside a giant wooden horse, courtesy of wacky inventor Icarus.
When Ares and Athena get into yet another fight, Zeus decrees their feud take the form of a sports contest - the Olympic Games which should settle the fight between Athens and Sparta. Meanwhile, Hercules, has his hands full when Hades persuades Echidna, the Mother of all monsters, to bring her hungry brood to the stadium for a bite size feast.
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.
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.
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.
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.
When Triton, the son of Poseidon, arrives at Prometheus Academy, Hercules does his best to help him fit in. But when things don't go as planned Hercules abandons his young charge, who then steals his father's magic triton and wield a little power on campus.
Loki, from Norse mythology, recruits Herc for the position of Thunder God, however what he does not explain is that Loki is plotting a cosmic takeover and exploits Herc's strength and incompetence in freeing the giant ice wolf Nimmelfir thus bringing on Ragnarock- the Twilight of the Gods.
The gang visits an old age home, where they're each assigned a senior citizen to befriend. In an effort to connect with his oldster, a malevolent old Griffin, Hercules accidentally reveals the treasured Diamond that the Griffin had been guarding for decades - and the King of the thieving mountain gnomes, steals it.
Hercules drags Phil to Satyrville to visit his old goat-mother, and Phil is given the opportunity to take over for the local King of the Satyrs, Pan. However this leaves Phil to contend with a very testy Nemesis, the demi-goddess of revenge sent to punish Pan for his lack of humility and tribute.
When Pegasus flies off angrily and meets up with a new master, the two become a great monster-battling team, leaving Hercules heartbroken over the loss of his friend.
The gang's in Atlantic City this summer, and everybody is having a great time except for Cassandra, with her dismal visions of the future. When a news reporter discovers her, and, no visions coming, she tells him (eg: lies) about the upcoming sinking of Atlantis.
Ick is eager to take Herc to the Miklos Extravaganza, but Hercules winds up lying to save himself from embarrassment and impress a girl, telling Icarus that he is terminally ill. Very upset, Icarus goes to find the cure...in the backyard of the giant Briarius, who doesn't appreciate trespassers, and it is up to Hercules to come to the rescue.
Hercules and Icarus get dates to the big prom by promising to get super-hot singer Orpheus to attend. But how do they do it? And what of Hades, who decides that he wants the young singer to perform in the Underworld that same night, and kidnaps him in order to get his way?
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.
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 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. Jafar fails, and dares Hades to try and stop Aladdin. The attempt is made with same results. Then they try to get rid of Aladdin and Hercules at the same time by making them believe that Hercules kidnapped Abu and Aladdin kidnapped Icarus. The plan almost works and they leave Herc and Al for dead. But Hercules and Aladdin defeat them by making them think that Aladdin is Hercules and Hercules is Aladdin. Then Jafar goes back to being dead.
The teenage Meg comes on the scene, and as it turns out, the man who has done her wrong is none other than Adonis. Meg steals a jar of Lethe water from the Underworld's Pool of Forgetfulness, but it is stolen from her by Ares' sons, Fear and Terror, and so she plans to trick Hercules into retrieving it for her.
Hercules and Icarus are in Rome. The Romans are in need of gods to worship and 3 of the Egyptian Gods try to take the spot while rampaging Rome so that they can make it like Egypt with all the pyramids. Hercules battles them and Nemesis to protect Rome. In the aftermath, Icarus gives The Greek Gods Roman names and in the underworld, Hades is angry for being named you guessed it, Pluto.
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.
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.
Hercules teams up with a mysterious masked man -- The Grim Avenger, a super hero type who narrates his every move -- in order to defeat the Minotaur. In the meantime, a handsome new student has just happened to turn up at Pro Ac...
Pain and Panic plan to use water from the magical Spring of Cananthus in order to turn Hercules into a baby, and this time finish him off for good. Unfortunately, Pegasus, Icarus, and Adonis also get sprayed with the stuff, and it's up to Cassandra to play the role of mother and, along with Panic (and the newly infancized Pain), and return the boys to their rightful age.
A cimpilation episode in which Hercules and the cast are the guests on the Merv Griffin Show -- hosted by, of course, a giant griffin (and voiced by Merv himself).
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.
Adonis, the school bully, is making life miserable for Hercules, and not even a little fatherly encouragement can cheer him up. So Zeus decides to turn himself into a teen for 24 hours to find out exactly what life is like for his son.
Hercules wants his chariot license to save face in front of Adonis. Meanwhile, Hades bets Zeus the deed to the Elysian Fields that Hercules won't get his license by sunset, and Pain and Panic are on hand to help.
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.
Hercules must chase down his missing epic poem, which he's invested far too much time in to let it be foe to garbage collectors or harpys.
Hercules' clumsiness is put to the test, when the Muse of Dance, Terpsichore, inspires him to dance. When he's offered the lead in the school dance recital, Phil doesn't think heroes should dance.
Hercules takes a group of kindergardeners on a fieldtrip, but the outing doens't exactly go as planned.
The lonely outcast Medusa is granted her wish to be human. But what will Hercules' reaction be when he finds out the truth?
American singer-songwriter Michael Bolton recorded a pop version of the song for the film's end credits.