Sea Filly the Sea-horse, comes to the school of fish, and Rainbow and his best friend Blue, welcome her in.

Rainbow is excited to meet his hero, renowned hockey star Wayne Grunion when he comes to town for a visit.

In the school band, Mrs Chips gives Rainbow Fish the conch shell, the hardest instrument in the band to play. Rainbow...

When Rainbow Fish and his friends attempt a dangerous sport called "Riptiding", Blue is swept away on a riptide, and ...

Rainbow Fish gets a bad report card (he gets a "C"). But when he accidentally spills ice cream (from a kelp gusher mi...

Rainbow is not enthusiastic about spending time with his grandpa while his parents are away at the store, thinking th...

Rainbow fears visiting the dentist, but when he goes, he discovers that dentists are not as bad as he thought they were.

Rainbow mistakenly brags to his friends that he knows the famous pop star, Bruce Sturgeon, which lands him in trouble...

A new student, Sherman Shrimp, comes to school and Rainbow Fish treats him badly. However, after Sherman saves Rainbo...

Chomper, the school bully, gets lost in a canyon along with Rainbow Fish, and the two opposites must work together to...

Rainbow fools around with his father's golf club and breaks it, causing him to search for a new one before his father...

Ruby decides to babysit their guppy neighbors' baby, Ferdie, and says Rainbow is too irresponsible to help her. Howev...

Sir Sword needs to finish third grade, so he attends Rainbow's school, the School Of Fish.

Blue has a crush on Goldie, but he's too shy to ask her on a date, so Rainbow tells him what to say via a communicato...

When Blue becomes a hall monitor for the School Of Fish, he lets the power go to his head.

Blue gets a new baby sister, and he feels left out, all because of the attention his mum and friends are giving to th...

Rainbow lines a sea-monkey bowl with his sister Ruby's magazine, ruining the magazine itself in the process.

Rainbow learns a lesson about charity and works on a project involving just it.

Ruby starts spending time with Rainbow, Blue and Sea Filly the sea-horse, leading Rainbow to believe that she is tryi...

Rainbow gets a job at the Candy Counter to earn money.

Rainbow takes up making movies, thanks to a new waterproof camera, and casts himself as Director.

Rainbow's pen pal is coming to visit him, and Rainbow is excited about it.

Sea Filly becomes the editor of the School Of Fish newspaper. Unfortunately, in her enthusiasm for journalism however...

In spite of some ongoing construction taking place outside the School Of Fish causing a big deal of noise, Rainbow is...

Rainbow and Blue start hanging out with a new clique called the High Tides, due to the chagrin of Sea Filly.

Sir Sword lends Rainbow a book that he becomes hooked on and cannot stop reading.

When Ruby encounters a series of unfortunate events one day, she believes that she has been cursed.

Rainbow's class has Dads' Day at school and all students' fathers are invited to describe their own, personal jobs. R...

Rainbow finds a hole in the ground that an extinct coelacanth called Carl swims out of. However, Carl spends most of ...

Rainbow and Blue compete for the role of class president. They both try to impress Sea Filly in order to get her vote.

Blue wins the clamball championship for his school, but only because no one sees him drop the ball anywhere.

Rainbow is suspicious of his sister, Ruby, when she starts acting very strangely. However, it turns out, that she is ...

Rainbow's mother, Aqua, invites his teacher, Mrs Chips, to dinner, and Rainbow Fish is worried that Mrs Chips herself...

One difficult day, a glowing guardian angel fish shows Rainbow Fish the value of his life.

Rainbow Fish fears that both his parents, Sol and Aqua, are planning to sell the cave to two fish called Ret and Snap...

Rainbow and Ruby prepare an anniversary dinner for their parents.

Rainbow saves a whale's life, and, in return, the whale (Leslie David Baker) becomes his bodyguard.

Rainbow is not pleased when his mother, Aqua, gets a job in his school.

After being teased by her classmates for not being feminine enough, Sea Filly decides to take up cheerleading, causin...

Rainbow is embarrassed after failing to stand up to Rocko Rockfish (Alan Marriott), a bullying second grader.

After watching Rainbow and Blue play it in Shipwreck Park, Sea Filly becomes addicted to a 2000 computer game called ...

Rainbow, Blue, and Sea Filly hear the tale of two feuding crabs who were once song-and-dance partners, and then, they...

Sea Filly gets a bad grade on a maths test at the School Of Fish and worries greatly.

When Blue looks at his book and mistakenly thinks that his ancestors were royalty, he starts acting like a prince.

When Chomper's cousin Slick (Macaulay Culkin), a pool-playing master, comes to Wanda's refreshment shop, he beats eve...

Rainbow tries to put Sea Filly in the Halloween spirit, but then has a haunting Halloween dream, and wakes up to find...

Phineas T. Gronch is planning to permanently demolish the Mollusk Reef Villas as well as wipe out half of Neptune Bay...

Rainbow and his family go on a camping trip.

Important friendship is tested when Blue comes to stay in Rainbow's cave.

Chomper is given the lead role in the school play, but he mistakenly believes that voice acting is for wimps.

Rainbow's love of kelp gusher drinks causes him to get a nasty case of hiccups. It's Wanda the Octopus who eventually...

Rainbow Fish helps Sir Sword dressed up as Santa Sword on Christmas Eve.