It's Intern Week (which means a week off in the Real World), and everyone is happy with their jobs - everyone except Hercules, who's stuck in the fast food joint. When Hercules asks his dad for help in getting a better job, Zeus gives him a job guiding Apollo's chariot across the heavens.

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.

Hercules finds himself hired by a bunch of nerdy "abacus geeks" when they enlist him to protect them from rampaging centaurs that pillage the town weekly.

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.

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.

Hercules' first day of school, in which we are introduced to Icarus and Cassandra, and Herc's plans to be impressive don't work out quite as he had hoped.

Queen Hippolyte kidnaps her daughter, Tempest, and makes her undergo a savage initiation ceremony to regain her status as a warrior and to earn the right to wear the Golden Girdle. Meanwhile, Hercules attempts to follow in a misunderstood rescue attempt.

Phil needs a housesitter, so that he can go to a convention and Hercules volunteers to watch his island for him, however things go from bad to worse, when Hercules throws a party and is busted by Poseidon.

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.

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.

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!