There's no better prankster at school than Vivi. No one has ever been able to out trick her. Until now that is, because Ester and Tubarina are determined to be the first. But how can they do it?

Maurico, the Urchin Prince, is looking to form a team in the Flubberball Little League. Ester is the best player around but Maurico refuses to have a girl in his team. Ester plans to form her own team for the League.

Ester loves bringing home stray animals and fish. The Starfish Palace is fit to burst with her friends. Ester's mother, the Starfish Queen, puts her foot down. If Ester brings one more friend home, then everyone has..

A gathering of hammerhead sharks is about to take place near Salacia. It's an amazing sight and the girls want to go. They ask Marcello to take them when he goes to the gathering. The trouble is that Marcello isn't ..

Tubarina's brother, Veto, is coming home. Tubarina isn't overjoyed because everyone's attention is on him. Tubarina discovers a secret of Veto's, but will she really blackmail her own brother?

Why is there no Barracuda Princess? After reading through old histories, the girls discover that there was a Barracuda Kingdom which is now lost. The girls are ecstatic at the idea of searching for a Lost Kingdom

Marcello is looking for an easy way to do a school project. His scheme is to join the right project group where he knows he'll get away with doing as little work as possible. He decides that Soraia's group is perfect!

Ester thinks love stories are ridiculous. Well, maybe it's not so ridiculous when Ester is struck with a crush for the new boy Caton.

Ester finds a strange thing that's dropped from Dryland down into Salacia. At first the girls don't have any idea what it could be, until Ester plays around and puts it on her head. It fits perfectly!

The schoolyard is in uproar as a huge argument takes place. Miss Marla demands to know who started the argument. It seems Tubarina started it, but only after she was hit in the nose with a big ripe Dingleberry!

The girls and their friend, Elektra, are star gazing one night when a star drops from the sky and into the ocean. When they find the fallen star, they are disappointed. It's not like they thought it would be.

Everyone at school gets a turn at being the Lunch Monitor, except for Tubarina. She wonders why it's never her turn. No one wants her to have a turn because they're afraid the power will go to her head..

The Starfish King has a very special gift for the princesses and princes - an old hall that they may use for whatever they wish. Arguments arise between the children as they all have different and competing ideas.

Everyone at school is building a float for a parade at the Salacian Carnival. Well, everyone is supposed to be building a float, but Polvina seems to doing most of the work

The girls are playing with Delfi and her two friends, Ping and Patchy. Another dolphin, Nub, joins them but he isn't what he appears to be. He leads Ping and Patchy into a Drylander trap. Will the girls be able to save them?

Tubarina's parents have to go away for a week and this means Tubarina is the senior royal left at home. Ester and Polvina are shocked when Tubarina's personality undergoes a major change. Can they save Tubarina from herself?

Polvina's pet octopus, Tentie, is sick and needs help from the Princesses. Every time he laughs he lets off a thick cloud of ink! Poor little Tentie is very

Lia, the Lion Fish Princess, hasn't been to school for a couple of days. The girls visit the Lion Fish Palace and discover that she's missing. They look for clues to where she could be and seek the help of the Mimic Octopus

Ester and Marcello are challenging each other to a series of silly dares to see who will back down first. But as they each refuse to back down, the dares become more dangerous.

Marli is visiting Tubarina when she spots Tubarina's favourite doll, Bebe. Marli is surprised that Tubarina still has dolls. Under pressure, Tubarina gives her doll up to a charity collection for old toys.

It's Polvina's birthday and Ester and Tubarina have a surprise party for her and also a surprise makeover! When the makeover turns out to be an ugly disaster, Ester and Tubarina have to try and unmake it before the ..

The girls wake up to find that the ocean is freezing, thanks to a giant iceberg that's floated right above Salacia. Even though this iceberg is huge, it will eventually melt, but meanwhile everyone will suffer from the cold.

There's a superstition that if you see a Nautilus, you should make a wish for your best friend. One day, Polvina is lucky enough to see a Nautilus and makes a wish. Now Tubarina and Ester want to know who her best friend is.

The girls are preparing for a shell-sled race against the boys. They crash during a practice run but no one is hurt. Ester doesn't want to practice anymore. Is Ester actually frightened of something?

Angelica, the Angel Fish Princess, asks the girls if they could look after her pet, Scooter. Tubarina volunteers and Angelica reluctantly agrees. She's worried that Tubarina will be careless when looking after Scooter

Miss Marla is away and the girls have a substitute teacher, Mr Bernardo. Polvina gets off onto the wrong foot with Mr Bernardo, to the point where he thinks that Polvina is the class troublemaker.

Polvina's diary has been stolen, and everyone at school is on the hunt for it. Ester and Tubarina want to help Polvina, but deep down are more intent on reading it to find out exactly what Polvina's secrets are!

Polvina and her pet, Tentie, find a beautiful box containing an octopus doll and an indecipherable note scribbled in runes. Will they be able to find someone who might shed some light on it?

Ester and Polvina rush to school and smack into the Turtle King; his crown getting knocked right off his head and snapped up by a boat's hook. The girls set out on a mission to retrieve it for the unhappy King.

Ester and Marli confidently set out on their first babysitting job. But it all goes horribly wrong when they lose the Sea Lion King's son, Naimo, who disappears in search of his favourite toy.

Ester and Tubarina can't find out what's troubling Polvina. Why does she suddenly fall ill every time they begin to rehearse for the school concert? Polvina faces the challenge of admitting to her problem.

Ester has once more failed to deliver her homework on time and Miss Marla's tolerance is stretched to breaking point. She demands a reasonable explanation. Ester takes the easy option and decides to tell a lie!

Tensions erupt between the three girls when they discover a young fish that needs taking care of. Each princess feels that she should be the one to look after it and their friendship is sorely tested

As part of a class in map reading, the princesses and princes are given an exercise in orienteering where they must find their way around a course on the ocean floor.

Tubarina has to give a talk to the class about the history of Salacia, which doesn't quite go to plan when Marcello and Hugo play a trick on her and leave her speechless and stumped before the amused class.

The Shark King and Starfish King have an argument, resulting in Ester and Tubarina being told they are not to see each other anymore. Poor Polvina, caught in the middle, strives to discover where the truth really lies.

Polvina's pet octopus, Tentie, is sick and needs help from the Princesses. Every time he laughs he lets off a thick cloud of ink! Poor little Tentie is very embarrassed

The Drylanders are creating turmoil throughout Salacia as they search for a missing child. Ester, Polvina and Tubarina decide to join the search in order to restore peace and safety to their world

The princesses can't wait for their friend, Leo the whale shark, to pass by on his yearly migration, but grow very concerned when they find him ill and in desperate need of their help.

Polvina is madly trying to organise the end of term class party when she breaks her father's special Star Pen. The King is deeply upset and Ester is forbidden to attend the party. How will she make it to the party now?

Ester's conscience starts to play tricks on her when she keeps a pair of penguin shaped earrings she finds in the sand, knowing they more than likely belong to her friend, Isa

The princesses are all very disappointed because the night of the Royal Ball has finally come and they are forbidden to attend. But curiosity gets the better of them and they decide to sneak into the ball!