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.

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 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.

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.

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.

It is a very HOT day in Snorkland. The Snorks venture to the beach. Junior introduces two surfer girls whom he brags to about beating All-Star. All-Star goes to the cove and is a great surfer, but Junior tries to prove him wrong. He challenges him to a Snorkboard race at the Big Reef. All-Star says it's dangerous and Junior calls him a ""Yellow snorkfish"". All-Star then builds a sand castle and Junior shows off by building an even bigger castle. Junior overhears All-Star talking about Galeo's motor for his invention and Junior steals the motor, unbeknownst to him that the machine is out of whack! Junior accidentally makes it work when trying to cheat, and Junior ends up with a cold. The two girls choose Galeo over Junior because of his invention.

All-Star has a date with Casey, but his mother wants him to take Samantha, a friend of the family, out to show her around Snorkland. All-Stra cannot be in two places at the same time, and he doesn't want Casey to know about his visiting friend. At the movies, Samantha tells All-Star about a boyfriend that she has back home, and he's a big one at that. All-Star then tries to be at both the movies and the prom with the help of Dimmy and Tooter. Just then, Bubba, Samantha's boyfriend, comes to visit and goes after All-Star. As All-Star goes to be with Casey, Junior joins Samantha! Bubba gets on Junior!

At school, Galeo shows the Snorks some great archaeological finds. One of the interesting items is ancient handcuffs. Galeo fastens the cuffs on Junior's and All Star's arms and they spend the whole day handcuffed together. Galeo suggests that they climb the mountain where Galeo found the handcuffs and they have to work together to find the key.

To work on his football skills, Dimmy takes ballet lessons. He is ridiculed by a buch of bullies who instantly dub Dimmy a sissy. But Dimmy proves them wrong by using a few moves on the team. Dimmy then gets the whole team to take ballet lessons. The bullies then take over the dance school where the football team really gets at them.

Dimmy is very sick from Snorkitis. Galeo diagnoses it and as Tooter describes, Dimmy, Tooter catches it. Then everyone in Snorkland gets sick. Galeo wants All-Star to finish what he started a while back. He gets help from Casey and they try to get Galeo to read the notes for them. Galeo then finds the cure in snork bubbles. The Governor then recognizes Galeo as a hero.

Tooter has a record to play and it is a very big hit on a dance show. Tooter then becomes very popular that he even has his own concert. All of a sudden, a strange melody fills the air, but it's not Tooter but an organ playing monster. All of the Snorks fall into the trance of the monster. Tooter and Daffney go off to search for the Snorks. Inside the monster, they all meet Galeo's old friend who was trapped in for 20 years. He had a plan of counteracting the sound of the Piperfish, but he now has a chance to put his plan in action with the help of the Snorks. Tooter finds out about the monster and plays his music to free the Snorks. It's an all-out musical war, but Tooter wins.

The Snorks visit the Undersea Fish Exhibits and are looking for the legendary Rainbowfish. Daffney doesn't want anything to do with it because it might mess up her chances for a beauty contest. Daffeny is soon pursued by a Yuckfish. Junior scares it away by taking pictures but the Yuckfish follows them as they leave. Daffney loses her purse and the Yuckfish finds it for her. The Yuckfish really likes her, but Daffney doesn't give him the time of day. She finds him a good home with a Snork rancher, who disgracefully turns the Yuckfish into a sideshow act. The Snorks break him out by pretending to be a circus trainer with a giant fish (Daffney, Casey, and Tooter). The Snorks then take Daffney to the beauty contest where she wins. The Yuckfish joins her on stage and Junior starts laughing and making fun of it. Daffney defends it by saying that it is beautiful and to everyone's surprise, the Yuckfish turns into a beautiful Rainbow Swan fish!

Jo-Jo saves the town from a hammerhead shark, but he thinks that the Snorks like him because he is strong. The Snorks try to make him feel important to them. In Sculpture class, Jo-Jo creates a statue of a monster and everyone thinks that aliens have come to attack them. The Snorks then try to make him feel useful and he goes on a helping spree. His strength will destroy the town if the Snorks do not to something.