When Mr Flip takes the Reefies on an excursion to explore an underwater shipwreck, Ray goes missing and the excursion quickly turns into a search for a missing stingray.
The Reefies are excited to get their fins dirty in a sand-digging competition, but Surg the surgeonfish is nervous about trying new activities and needs some convincing before she'll join in.
The Reefies team up in pairs to compete in the ocean-famous piggyback race. When a surprise competitor joins the race, the results turn unexpectedly fishy!
It's Father's Day! To celebrate, Mr Flip's Dad tells the Reefies a special story about a baby turtle, with a surprising twist.
After a swimming lesson from Mr Quick, Chips the pufferfish is determined to swim across the reef to visit Mr Flip. Will Chips manage to journey such a long way when he's only just learning to swim?
When Oli the octopus discovers the coral is turning white, Chips the pufferfish's Nan tells the Reefies a special story about the beautiful colours of the reef back in the olden days.
When Jaws the jawfish loses his special shell, the Reefies put on their detective caps to solve the mystery. Could a peculiar peacock shrimp hold the missing clue?
When Chips the pufferfish unexpectedly puffs up, his plan to win the Reefie's game of hide and seek is ruined. Luckily, Mr Flip, hatches a sneaky plan to save the day.
Shrimpy the shrimp is feeling grumpy! A special dance class with Mr Trigger the triggerfish could be just what's needed to cheer him up.
When Chips the pufferfish moves in next door to a cranky eel, he has to find a way to befriend his new neighbour.
After Doug the dugong cleans up Reef School, Ginger the clownfish can't find her special, treasured sea grass. The Reefies come to the rescue, embarking on a search to locate her tidied-up treasure.
Ms Flouncy the lionfish helps the Reefies organise a talent show for Mr Flip, but Chips the pufferfish has a sudden case of stage fright.
It's a day of super hero fun as theReefies chat about what their dream superpower would be. After an adventure and a singalong, Ray the stingray finally decides on an ultimate superpower.
Mr Flip's not having any luck settling down the clownfish for nap time. Will Oli the octopus' magical story about an underwater fairy finally get them to fall asleep?
Ray is worried about how his little sister will go on her first day in the Reefling nursery. Mr Flip reassures Ray that there are many different ways to make new friends, especially if you're a good singer.
Surg the surgeonfish is reluctant to play imaginative games at Reef School but with some help from Mr Flip and the Reefies, she leads a game that turns into an intergalactic adventure.
It's a wild and windy day on the reef! Ray helps Ms Flouncy escape from the swishy-swirly water, while Mr Flip tells a wonderful tale about a sea slug who loves all types of weather.
Oli the octopus is curious about her body growing bigger, so Mr Flip tells the Reefies a story about a seal who learns what it means to 'grow up' when she goes on a brave adventure to meet a sea dragon!
When Doug the dugong takes the Reefies on an excursion to the ocean's pristine 'cleaning station', Ray the stingray is faced with an unexpected conundrum: Is being clean more fun than being messy?
The Reefies are puzzled when a plastic bag floats into Reef School. Mr Flip explains where it came from and why it's dangerous for anyone living in the reef.
Series 1 Preview: Welcome to Reef School, where every day is an underwater adventure! Join the little Reefies and their teacher Mr. Flip as they discover the extraordinary wonders of an imaginary Australian coral reef.
Ms Flouncy the lionfish helps the Reefies organise a talent show for Mr Flip, but Chips the pufferfish has a sudden case of stage fright.
