City kid, Sean, comes to Habitat for a visit, but is unhappy in the bush. He's even less pleased when he discovers that he has spend time with his granddad Bill. Jerry and Lou let him take Skippy along.The rascals next door to grandad keep setting the bull onto him but Sean thinks he's making it all up. The four children live by themselves and don't want to be discovered as they may be split up and put into foster homes and so decide to try and take the bull and run away to the city. They soon get into trouble in the bush. Sean and Skippy find them, and with the help of granddad Bill a happy resolution is found.

While playing on a home made flying fox, Lou gets a hard bump on the head when she collides with a young girl who seemingly ignored Jerry's warning and ran into Lou's path. The young girl runs off, and in a half daze, Lou thinks that she has seen an almost extinct wallaby in the bush. None else saw the wallaby. They find out that the mysterious girl in is the daughter of the visiting researcher, also that she is deaf. The kids quickly make friends with Bridget and enjoy learning sign language. While there is some doubt that Lou really saw the wallaby, the adults decide to look just in case. After upsetting their search , Lou, Bridget and Jerry go off on their own, and Lou gets into trouble, eventually needed to be rescued by Ranger Dave and the helicopter. In the end, Lou and Skippy are the only ones who know for certain that the wallaby was really there!

Be Careful! Pretending you are something you are not can get you into trouble. Derek, an asthmatic boy from the city comes to Habitat for a weekend visit. He hates telling other kids he has asthma, because they always treat him differently when they find out. Lou goes to a popular girls party and tries to dress for the occasion, but it backfires! Derek is almost discovered by Jerry using his inhaler, and to avoid detection, throws it into the bush where it goes down a snake hole. When he needs his inhaler, with Skippy's help they find where the inhaler is and are able to retrieve it when Lou bravely puts her hand into the hole!

Will Skippy be returned to the Hammonds, or will they be separated forever? Grumpy Johnson always felt cheated out of land by Thel's grandfather. Jerry and Lou are at Thel's fishing shack. Grumpy J has always been a bit of a swindler, or Flim Flammer, as Thel calls him, and is teaching his grandson Brett to do the same. Brett wins Jerry's bike and also Skippy from him in a game of poker. Jerry's heartbroken, and Lou saves the day by working out a way to turn the tables on Grumpy and Brett.

When the water main at Habitat bursts, Jerry and Lou find out first hand what it is like to live without running water. They find out at school that there are lots of people who have never had running water, and decide to make a project out of raising enough money to buy a water pump for a poor African village. Soon there is a competition between the girls and boys, but becomes dangerous when one boy falls ill. The contest is called off and it is only with the help of a generous patron that the village gets it's pump and the children see the virtue of working together.

Roll up! Roll up! For the main attraction, Sinbad the tiger. Joe Flood, brings his circus to Habitat. A dangerous game to play, the young Christopher likes to pretend that he is on safari, and can see no harm in playing with a real gun. Sonny quickly puts him right and his mother locks away the rifle. However, he gets hold of it again to play the hero, when Sinbad escapes. Panic leads to a wounded Sinbad, but luckily Skippy is there to draw Sinbad away from Lou while she goes for help.

In conquest of one of the rarest and most beautiful of orchids, Eleanor, Jerry and Lou's grandmother, comes to Australia. She recruits Lou as her assistant and together they head off to the national park. When Eleanor's pig, trained to sniff out the underground orchid, is banned from the park, Skippy and Jerry get to work to find it, with limited success .When Eleanor leaves, the trio, Lou, Skippy & Jerry, continue determinedly on their quest.

Jerry and Lou, with the assistance of Skippy, have become local heroes when they led the police to two bank robbers who were hiding out in the national park, although the $250,000 that the robbers stole, was never recovered. Alex and Bill, two loveable vagabonds who once tried to kidnap Skippy because they thought she could talk, see her picture in the paper and think she will be able to lead them to the money. But Skippy leads them into one misadventure after another.

So what is the importance of school?! Jerry and Tim have been stealing golf balls from the fairways of a local golf course. When they are found out, they are given the punishment of weeding the gardens to pay for the value of the balls they 'borrowed'. Brad, the junior pro at the course decides to teach them what golf is all about. Both Jerry and Tim become fascinated with the game. Tim is a natural and starts missing school to play golf, with Brad's encouragement, however when lighting strikes and Brad is injures, he realizes that without golf - and without an education, he has nothing. Both Tim and Brad decide that school may have it's place after all.

Skippy goes under the radar as she hops into the boat when the Hammond family go water skiing. Skippy gets left behind and finds her way back to the river where the family are, only she hops into one of the nearby houses where Miranda finds Skippy and wants to keep her. Her father grants her request, but Jerry and Lou are devastated when they find Skippy missing. Jerry and Lou find a way to get Skippy back to Habitat, but Miranda's dad obtained a permit for Skippy so they come to take her back. Will Skippy be separated from the Hammonds forever?

Life at Habitat is disrupted when the famous wildlife film maker, Greg O'Neil, comes to Habitat to film the mating dance of the Cape Barren Goose. Everyone is preoccupied with film making and Lou thinks Greg is going to ask Kate to Marry him! When Thel is taken unwell she is unable to help when Lou is in trouble, Skippy interrupts filming until everyone realizes something is wrong and Lou finally gets rescued. Kate reveals that Greg has asked her to work with him not marry him but there is going to be a wedding!