The Snorks enter a seahorse race. Junior, with the help of little Willie, cheats in the race. All-Star and Junior have to compete in a Snorkel chase. Junior thinks that All-Star's seahorse is all washed up because his horse ""won"". All-Star tries to prove him wrong by training his horse Sea Biscuit. Galeo creates a machine for the Silverfish with a magnetic compass. All-Star takes it by mistake and finds out that Junior and his horse cheated. All-Star and the Snorks cook up a plan to get back at Junior.

On a field trip, the Snorks get swallowed by a whale. As they split up to find some means of escape, Junior finds a lot of treasure. All-Star tries to teach them all how to work together.

The Sand Witch is terrorizing Snorkland and Corky tries to stop the magic portal. Bigweed messes up his submarine and they both get sucked in. Corky meets a Seastar to help him get out. Bigweed meets the Sand Witch who starts chasing him. The Sand Witch catches up with Corky and Bigweed to try to get out. They get out in time and seals up the portal, but the victory is short-lived.

All-Star and Junior compete against each other in a gymnastics event and Junior cheats. All-Star finds out and gets Junior in trouble. To get back at All-Star, Junior buys a myna bird to spy on all of the Snorks' plans.

A barrel from the world above falls into the ocean, letting out a reddish fluid that makes people frightningly zany. Meanwhile, the Snorks are performing in a talent show and Dimmy really sets a bomb with his jokes. Then the red stuff seeps in and makes everyone laugh. Of course, it gets out of hand when the entire town starts laughing crazily. The Snorks go out in the Silverfish to find the the problem at the Great Reef. The barrel is about to fall in the reef, but the Snorks get it out in time. But Junior and Occy, under the spell of the red stuff, take over the Silverfish! Eventually, Occy gets back to normal and so does Junior.

Junior talks about All-Star and his toy drive buit he forgets to mention that he sleeps with a toy turtle. Willie accidentally gives away Junior's turtle and Junior secretly pines for it. Junior then breaks into the school to get the toy turtle back, and gets caught by a guard. The Governor bails him out and he makes up a story about donating toys. At the toy drive, Junior tries to take his turtle back, but Baby Smallstar claims it as her own. Knowing that all is lost, Junior goes out and buys a stuffed seahorse.

The Snorks go on a snorking trip. Everyone is having the time of their lives, except Junior. Junior is all shook up after a story about a sea creature. While on a nature hike, they get lost thanks to Junior's ""sophisticated"" compass. While finding the way back, they come across an old sunken ship. As they explore the ship, they almost get caught by a strange giant form reaching into the ship. All-Star gets them all out safely, and he is commended for his efforts. The strange form just happened to be a diver just exploring under the sea.

A fugitive Snork from the Frozen North comes to Snorkland to get help to save his village from Snorkeaters. It's up to Corky and the gang to help him out. There is a little fish that keeps bothering him, not knowing that this little fish is a Snorkeater-eater! And he turns out to be the best thing to ever happen to Corky and the Snork's village.

The Snorks check out a construction site where Junior builds his empire. Occy digs up an old treasure map. Galleo tells the Snorks that the map was left by ancient Snorks. Junior steals the map and gives the Snorks a fake map to follow. They encounter a whole lot of dangers along the way while Junior thinks that the treasure is buried right in his own front yard. Galeo finds out that the treasure map is actually a warning about molten lava, an unfortunate proposition for Junior and his family.

Dr. Strangesnork creates a machine that steals people's shadows and makes them his slaves. Of course, Willie gets caught in the machine and his shadow is used against him. And the Shadow causes trouble for Snorkland and gets Willie blamed. Willis discovers that his shadow has been causing trouble, but no one believes him.

All-Star is sick. Galeo cannot find out what's wrong with him. They have to go visit King Claw, a very reclusive crab. King Claw finds out that All Star has pneumonia and needs a hair for a get well potion from the seal Sea Urchins. The potion works and All-Star is better.

Everyone is having a good time at a carnival, everyone except Occy who is excluded from everything. He finds a love interest in a fishing lure in the guise of a girl octopus. This relationship takes a dangerous turn when a swordfish follows it along with Occy all over Snorkland. The Governor blames Occy for causing this whole mess and banishes him to the Great Beyond. The Snorks then help Occy out when the Swordfish chases him again. They find out that the cause of the whole trouble was the girl octopus lure and Occy has to give her up for the good of the town.

All Star, Casey and Tooter are fishnapped in a boot by an evil sideshow man. He makes them do tricks against their very will. Casey and Tooter like the idea of being stars, but All Star wants to get back to the ocean. He sends a message to Corky, leader of the Snork Patrol. Corky recruits Jo-Jo to help him get the kids back.

Corky, Jo-Jo, Casey and All-Star rescue a dolphin that is in trouble. An evil captain is looking for him and tries to catch him as the Snorks help him get to the reef. Jo-Jo calls some whales to help him out, but he is caught anyway. The Snorks go on the boat and they are pursued by the captain. Corky frees the dolphin and makes the captain sink his ship.

Willie runs away to the Lost Valley on Halloween where he meets a lonely Kimodo dragon.

Why is it nighttime during the morning hours? That's what everyone wants to know, and everyone tries asking Galeo about what is going on. The Snorks find out that a Giant Snork Nork has rearranged the daylight until he gets what he wants. Gaelo tells them that every 100 years, many Mor-Glows fly across the sky and brightens the darkest clouds but Snorks have taken them for granted and might not ever come back. The Snorks go to find a Mor-Glow, only to have it captured by Snork Nork. Jo-Jo comes to rescue them. It turns out the giant Cyclop was the small Snork Nork in disguise.

Bigweed and Little Seaweed are up to no good again. This time, they have created a Barracuda Machine to take over Snorkland. But then, Bigweed creates two cute purple robots named Snip and Snap, whose plan is to win over the emotions of the Snorks while Bigweed takes over Snorkland. Of Course, they turn out not to be so cute when they make trouble for many Snorks. When they defeat a Snorkeater, they are made heroes while Corky is woefully neglected. When Bigweed takes over, it's up to Corky to set things right again. And they use Snip and Snap to their advantage.

Snorkland gets ready for a big Steam Festival, which is voluntarily called off due to a steam shortage. There is a reward for 5000 pearls for anyone who can go to the Source and try to restore the town's steam. The Snorks, along with Junior, travel to the Source where they find out that a space rocket particle had fallen on the steam source when a rocket blasted off into space a little while earlier.

Junior finds a book on Famous leader Julius Seastar and decides to run against Casey using Julius's guidelines. Soon, all of the Snorks are rebelling against Junior.

Tooter meets another tooting snork named Tadah and tries everything to get her to notice him. If only they can get her away from Tubah, the bully. Galeo creates an invention that magnifies his tooter that really blows Tubah out of the water! Tadah leaves with Tubah because of this. When a Clam Cruncher pursues them, Tubah loses out. Tooter makes contact with it and makes it go away.

While on a field trip at the kelp factory, Tooter meets a hummerfish who follows him home. When the Snorks find out that the Hummerfish is to be killed, Tooter tries his best to protect him from Junior's dad. Tooter lets it go, but there is a whole lot of hummers in town and they are in a mad feeding frenzy.

The Governor unveils a new painting of himself in the town square, which is ruined by the mark of a red crayon. Interestingly enough, Casey was missing a red crayon from her set. Junior and his family blame All-Star and his friends for ruining the painting. Tooter later finds the red crayon and starts scribbling with it. Unfortunately, Junior catches Tooter with the evidence. Tooter is charged with defacing property, but when the trial begins, Tooter is nowhere to be found. The Snorks find Tooter by using Professor Galleo's secret weapon, the Silver Fish. While the Snorks find Tooter, someone else is scribbling red mustaches on the Governor's painting. The Snorks find Tooter being chased by a giant crab and almost gets caught in a bad sea current. Casey finds her red crayon when Baby Smallstar is found scribbling red mustaches on the painting! The charges against Tooter are dropped.

The Snorks find a rare Neptunian plant and Bigweed wants it. He kidnaps Daffney and hold her for ransom. It seems that Daffney is giving them a hard time with her ways. Bigweed begs Corky and Jo-Jo to take Daffney back!

In the middle of a seahorse polo game, a giant boot crashes down on the field. Everyone thinks that it is an alien from beyond the limits. Galeo tries to communicate with it while the governor thinks that the boot will attack Snorkland. Tooter finds out the truth about the so-called invader and examines it. While examining it, Junior comes up and Tooter plays a trick on him, making him think that the aliens are attacking. Junior starts a story that gets out of hand. Tooter tells All-Star that there are no alins at all. Galeo uses his machine to contact, but it calls a giant crab toward the boot.

To make some money for All-Star's uncle Galleo, All-Star and his friends put together a band. The singing might be a little bit bad, but Occy fooling around as a keyboardist proves to be a great success. Soon, Occy is a huge star of Snorkland. Junior, however, wants to ruin Occy's success in any way he can. He even goes to his Dad, the Governor, who wants the band to stop playing so that he can promote his bad playing band. With Occy's help, that band starts playing perfectly. Both the Governor and Junior's plans backfire on them when the steam power controlling the instruments goes out of control and hits the Elder's house!