When a terrifying unknown creature attacks the reef, Big Boss plays protector and makes a move to take over, but the children smell something fishy.

Ella's admirer, Babbles, becomes jealous of Ricky, who gets to spend more time with her, so he sets a trap for his rival and gets caught in a jam.

When Albert and his pilot fish, Alpha, won't stop fighting, Ricky and Ella find Alpha a new job with a barracuda, but the pair drives everyone crazy.

Thirsty for adventure, Ricky dreams of leaving the reef and fighting fearsome predators, so Sammy must find a way to show him he is still too young.

When Ricky and Ella hunt for a magnifying glass for Pipo's nearsighted father, Ella gets locked inside a human hut, and Ricky must save her.

In order to teach the students to tolerate each other, Lulu organizes a pearl hunt, creating teams of mixed fish, but collaboration seems impossible.

When a boat sinks near the reef with a seagull trapped inside, the turtles decide to save him. But poor Pipo doesn't know he's being tricked.

When divers armed with nets and a harpoon capture Pipo and endanger the reef, Ricky, Ella and Annabel must save their friend and scare off the humans.

Irked by Big Boss treating him like an idiot, Philip decides to go back to school, but his brother Marco misses him so much that he cannot do his job.

In the village, everyone is a vegetarian. But when Big Boss steals all the food, Albert struggles to hold on before giving in to his old appetites.

Hungry seagulls hunt for Ella and Ricky and will stop at nothing to make a meal of them. Stuck on a high branch, Ricky suffers from vertigo.

When a turtle of Ricky and Ella's age pretends to have braved many great dangers in the oceans, Ella succumbs to his charms, and Ricky feels jealous.

When Ricky's grandmother tries to spruce herself up and accidentally glues her eyes shut, Ricky guides her on a risky journey to find help.

When Ricky pretends that he has a terrible illness to get out of school, Ella, Pipo and Annabel do everything they can to try and find a cure.

When a dance contest is arranged for the reef fair, Pipo gets weary of the turtles ignoring his choreography instructions and joins the Rockfish team.

When fishermen capture Lulu's cousin, Ricky and the gang find him being held prisoner in a lobster farm and try to set all the captives free.

Unfairly punished by Lulu because of the rockfish, Ricky takes revenge by damaging the palaver tree and laying the blame on Glitz and her crew.

The seagulls lure Ricky and Ella to the beach to put them on their dinner menu, and the duo's one seagull ally gets hit on the head by a coconut.

In a spoof of "The Lord of the Rings," Sammy thinks that a ring found in the reef holds a curse and forms a team to go toss it into a bottomless pit.

When pilot fish Alpha leaves the reef at night and refuses to tell his partner Albert where he goes, Ricky and Annabel follow him to learn his secret.

Sammy worries when there is no news of Big Boss for a while, and Ricky tries to get information by pretending to switch sides and join the Rockfish.

When Big Boss tries to take control of the reef by pretending that he's clairvoyant, Ella and Annabel reluctantly escort Pipo to his psychic reading.

While the children spend the night together under Lulu the Lobster's watch, a strange light wakes Ricky and Glitz up, and they go off to investigate.

When the rockfish refuse to share the playground with the turtles, a sports tournament is arranged to settle the dispute. But the rockfish play dirty.

When Lulu tells the class about a legendary treasure exhibited each year during a secret ceremony, Glitz hatches a risky plan to make her way inside.