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.

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.

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!

When Hercules accompanies Phil and some hunters on the Great Caledonian Boar Hunt, this angers Artemis, Goddess of the Wild Things. For the boars have become endangered, and Artemis assigns Hercules the duty of protecting her forests.

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.

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.

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.

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.

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.