Circe Island teacher Ms Selbys uses the arrival of a mysterious stranger to ignite the children's imagination for a creative writing exercise. The man lands on the island and sends the kid's imaginations running wild.
Kelvin's plans to set Babe on her way to stardom as a rock singer, and Hermes' plans to impress Ms Selby, both come apart when the new girl, Lou Docherty, demonstrates her talent for scientific experiments.
Julie and Gavin are appalled to discover that a big corporation is to sponsor a bicycle race - a race they believe will threaten Circe Island's wildlife. Hermes takes on Gavin in a nail-biting match race.
The children use the story of Robin Hood and his Merry Men as the model for a school film assignment. Ralph makes a dashing Robin while Julie makes a strong and demanding Marion.
Rosalind Defoe has plans to build a golf course on Circe Island. Kelvin is her biggest supporter but Julie and her helpers thwart the plans when their investigations reveal the site has a sacred place in Aboriginal history.
When the other children leave the island to attend a film festival, Guido is left behind to entertain his over-imaginative cousin Mario, only to find himself in a real life replay of an old movie plot.
The children are in preparation for the school fete when Julie and her friends find and help a young refugee girl who has jumped overboard from a boat to find sanctuary on Circe Island.
Geraldine and Gavin find dozens of bottles of wine washed up on the beach which sets off a wave of spiralling greed among the islanders and sparks an unexpected visit on behalf of the U.S government.
The girls' plans to farewell Sally with a grand party turn into a ghostly and frightening story. Hermes buys a series of self-improvement motivational tapes. Geraldine takes Gavin's place on an excursion with his mother.
Kelvin finds out that his father is a hero rather than the wimp he thought he was. Hermes has a hair-raising escape when the Defoe Corporation tries to blast a channel though the reef.
When Ms Selby sprains her ankle, the children discover to their horror that Hermes is to take over as teacher. Lou uses the arrival of her little cousin Amy to trick Hermes into believing that she can make clones of people.
Ralph's great expectations on being made a monitor at his private school and his desire to see the launch of the replica of Captain Cook's Endeavour lead him into serious problems.
A prince and princess choose Circe Island for a secret holiday, giving Kelvin the perfect opportunity to make money, mayhem, and princess doppelgangers.
A wave of dirty tricks by Kelvin and Lou threatens Ms Selby's plan to teach the children the value of democracy through the election of a student representative to the Parents and Citizens Committee.
Lou and Geraldine find a skeleton in a trunk at Jake's cottage. Hermes steals it, thinking it's the remains of his long-lost uncle. The kids save his pride, but his gratitude is short-lived when Kelvin goes one step too far.
Chaos threatens when all the adults except Hermes and Ms Selby come down with food poisoning, and Mr Knowles turns the base over to the children for a day.
Perth Wildcats basketball star Andrew Vlahov comes to Circe Island to make a mineral water advertisement with the kids - but Julie discovers something that's just not right about the ad.
Billy and Guido become unwitting kidnappers when Victoria-Elizabeth comes up with a grand plan to take revenge on her mother for cutting her allowance.
The kids take up Ms Selby's idealistic project to help the Circe Island elderly during Senior Citizens Week so enthusiastically that the elderly islanders rebel against the unwanted assistance.
An overseas police officer comes to the island looking for Jake. The children find out there is a price on Jake's head and search his cottage hoping to warn him, only to discover he's a traitor to the cause.
Upset by Jake's departure, Gavin becomes a knight in shining armour to thwart the Black Knights, clear Jake's name, and save the island from Rosalind Defoe.
Inspired by a competition at the Rockingham Art Gallery, Kelvin builds a UFO, making Hermes believe he's going mad. Meanwhile, Julie gets herself into some serious trouble.
Julie and Amy come across a large dead fish on the beach. Kelvin uses the find to persuade Charlie to organise a grand fishing competition, with a huge cash prize which Kelvin intends to win - with the help of the dead fish.
