When Stephanie arrives in LazyTown, to spend the summer with her Uncle Milford, she finds that she has trouble making friends because all the local kids spend all their time indoors playing video games. So, her uncle enlists the help of Sportacus, an athletic hero who encourages the kids to have fun by remaining active. Unfortunately, this doesn't sit well with Robbie Rotten, a lazy cheat, who takes pride in having LazyTown be the laziest town around so he plots to get rid of Sportacus.
LazyTown has a new superhero and her name is SportaStephanie! In this special one-hour episode, Sportacus takes a vacation and leaves LazyTown in the hands of his good friend Stephanie. As SportaStephanie, she faces her first big challenge when Robbie unleashes a hero-hating machine called Robo-Dog.
It's the Christmas season in LazyTown and everyone's getting ready for a holiday party. Robbie Rotten soon spots this, but declares that he wouldn't go even if he was invited. He hatches a plan to dress up as Santa Claus and spoil everyone's holiday fun. Meanwhile, Stingy is having trouble understanding the spirit of Christmas. He just loves the gift-getting, but can't quite seem to get into the gift-giving
Mayor Meanswell is once again getting ready to present the Person of the Year trophy to Sportacus, but can't seem to keep it a secret that Sportacus is the winner. When he hears that Sportacus is winning again, Robbie decides to put a stop to it. Considering the past failures of his evil plans, he decides to hit Sportacus with several of his past failures, hoping that they'll combine into a success.
When Robbie Rotten realizes that Sportacus started learning all of his hero skills when he was a boy, Robbie turns Sportacus into a 10-year-old. When Stephanie discovers who the boy really is, she and the kids join Little Sportacus on a mission to Robbie’s lair, so he can be changed back to his larger self.
Stingy is tired of the mess in LazyTown. He tries to get them to clean up all of the garbage. But the kids aren't interested, and their mess continues to grow. Robbie Rotten overhears this and realizes that if he makes a huge mess in LazyTown, the kids won't be able to play any more. He then creates a trash shooter that loads up the town with garbage. But Robbie's plan ends up backfiring when his trash shooter gets stuck and buries LazyTown.
Mayor Meanswell goes away for the day to catch butterflies so Robbie Rotten decides to impersonate him so he can start changing LazyTown’s rules -- no more sports candy and Sportacus must leave town forever! When Sportacus finds the real Mayor in trouble, they team up to save LazyTown from Robbie's rotten rampage.
The Mayor warns the kids to stay away from an old, unsafe castle but Trixie ignores the warning and convinces the kids to join her inside. Meanwhile, Robbie poses as a ghost to scare the kids into not playing any more. The kids get trapped in the falling castle and Sportacus arrives to save the day. Trixie admits what she did and the kids learn a valuable lesson in following the rules.
The Mayor has informed the kids that they can play outside, but they must read and pay attention to the signs - such as the one telling them to be cautious on the frozen lake. Robbie disguises himself as a snow monster in order to frighten the kids and stop them from playing outside in the snow. The kids, however, have some tricks up their sleeves, and in the end Robbie has to flee. In his rush, he ignores the signs near the frozen lake and falls into the icy water. It then becomes up to Sportacus to rescue Robbie from the lake.
It's time for school. As Stephanie and the others go to class, Robbie Rotten comes up with a plan to prevent the kids from learning: Disguising himself as a teacher, and not teaching them lessons. During science class he makes a major mistake, and almost blows up the school. Sportacus arrives to save the day.
The LazyTown kids have an idea to play as the three little pigs, but Pixel has made a machine where people can be scanned into the storybook. So Pixel scans Stephanie, Ziggy and Stingy into the book and the story goes well until Robbie scans himself and disguises as a Wolf to change the story. Ziggy loses the button that Pixel gave him before he was scanned so he could be scanned out. Sportacus is scanned into the book to save the day and finds the button.
Stephanie and Ziggy decide to open a dance school in LazyTown. When Robbie learns of this he disguises himself as the head of a famous dance school and invites Stephanie to join him far, far, away. Stephanie leaves in a plane piloted by the Mayor. Back in LazyTown, Robbie traps Sportacus in a trunk tied to helium balloons and sends it floating away. Robbie however gets stuck on the trunk too. It’s up to Stephanie and her uncle to save Sportacus and Robbie in a daring aerial rescue.
Robbie invents a machine that pulls toys away from kids. He sends two of the devices to Paris and China, so that Sportacus will have to leave LazyTown to help the kids in those countries. Meanwhile, Robbie takes away all of the toys in LazyTown. Sportacus returns and says he’s sorry he was too late to help, but Ziggy points out what Sportacus had taught him earlier – you don’t need toys to play! Robbie’s plans are foiled once again!
Robbie Rotten is tired of Sportacus always saving everyone. When he finds a rule in the LazyTown Rule Book that allows only one SuperHero in town, he hatches a plan to drive Sportacus away by introducing a faster, stronger SuperHero robot. After Sportacus loses a challenge, he has no choice but to obey the rules and leave LazyTown. But Roboticus reveals his true rotten nature, and the LazyTown Kids must challenge him to a race to win Sportacus back. When the robot is caught cheating, the Kids enlist Sportacus‘s help. Will they win the race and send the rotten robot out of LazyTown?
It‘s Ziggy‘s birthday party and everyone‘s invited, even Robbie Rotten. Stingy makes all kinds of excuses not to attend because he doesn‘t want to bring a gift. When Sportacus convinces him that it‘s not the size of the gift that counts, Stingy changes his mind but shows up to the party with an empty box. Ziggy, however, declares it the best gift he ever received, as he proceeds to turn the empty box into anything he wants it to be. Ziggy‘s enthusiasm teaches Stingy that the gift of imagination is the greatest gift of all!
The LazyTown Kids are planning a big surprise for Sportacus. When Robbie Rotten overhears their plans, he uses the opportunity to finally get rid of Sportacus. Disguised as the Big Bad Wolf, Robbie intercepts Stephanie in the forest on her way to meet Sportacus, setting her on the wrong path. With Stephanie out of the way, he feeds Sportacus a sugar apple and drags him to the AirShip, which he plans to send away – with Sportacus inside – forever! Will the LazyTown Kids figure out Robbie‘s plan and save Sportacus in time?!
The Lazy Scouts are about to embark on a scavenger hunt in the hopes of earning their Scavenger Hunt badges. But before they set off, Robbie Rotten replaces the task list with his own rotten list, sending the distracted Scouts on far-flung missions to a dead end. Robbie, the master of disguise, now has a chance to seize Sportacus once and for all! He lures Sportacus through the forest and into a trap, but in his own clumsy way, manages to get trapped himself. Can Stephanie and the Kids get them out?!
Stephanie teaches everyone in LazyTown how to dance, introducing them to the wonderful world of ballroom dancing. Robbie Rotten decides to put an end to all this activity by creating an „opposite“ version of Stephanie in an attempt to sabotage the Kids‘ friendship. When their friendship is put to the test, the real Stephanie enters a dance-off with Opposite Stephanie and lets her true kindness shine through, proving once and for all who the „real“ Stephanie is!
Season 3‘s double feature! The LazyTown Kids want to learn more about the history of LazyTown and decide to open a museum. As everyone gathers artifacts together, Stingy convinces Sportacus to loan his crystal, promising to be extra careful with it, so they will have something „priceless“ for the museum. Robbie plots an elaborate scheme to steal the crystal right out from under the Kids‘ noses, to stop Sportacus from saving anyone ever again. Will the Kids be able to foil his plan and recover Sportacus‘s crystal?
Series 3‘s double feature! The LazyTown Kids want to learn more about the history of LazyTown and decide to open a museum. As everyone gathers artifacts together, Stingy convinces Sportacus to loan his crystal, promising to be extra careful with it, so they will have something „priceless“ for the museum. Robbie plots an elaborate scheme to steal the crystal right out from under the Kids‘ noses, to stop Sportacus from saving anyone ever again. Will the Kids be able to foil his plan and recover Sportacus‘s crystal?
While preparing for LazyTown‘s upcoming medieval festival, Mayor Meanswell entertains the LazyTown Kids with the story of the famous Blue Knight and his archrival, the Purple Knight. Robbie Rotten overhears the story and, disguising himself as the Purple Knight, flies a dragon over LazyTown to steal all the SportsCandy in town. Meanwhile, the Mayor has asked Sportacus to help promote the festival by dressing as the Blue Knight. When the kids have a frightening encounter with the Purple Knight and his dragon, Sportacus, in full Blue Knight regalia, must save the day!
It‘s the first day of summer and everyone in LazyTown is off to the beach. Robbie Rotten, annoyed by all the commotion, wishes everyone would just disappear. When it suddenly becomes quiet, Robbie thinks his wish has come true! Giddy with excitement, he celebrates having LazyTown all to himself by getting up to all kinds of mischief all over town. But when boredom sets in, Robbie decides to get into trouble so Sportacus can save him, ending up in more trouble than he bargained for. Will Sportacus hear Robbie‘s cries and rescue him in time?!
Mayor Meanswell tries to cook a special dish for Bessie Busybody, but he just can‘t seem to get it right. Stephanie helps out by giving him a cookbook by his favorite chef, Pablo Fantastico. Meanwhile, Robbie Rotten opens a restaurant, flogging Rottenfood that makes people lazy. Luckily for the Mayor, Chef Pablo also opens a restaurant, and is glad to help the Mayor prepare his surprise meal for Bessie. Robbie, unhappy with the competition, decides to get rid of Chef Pablo and ruin the meal. Will Sportacus and the Kids be able to stop him before it‘s too late?!
Pixel invents a helmet that makes anyone who wears it disappear. Robbie Rotten gets a whiff of it and steals it to make Sportacus look like a fool. When Sportacus starts failing as a result of Robbie‘s tricks, the LazyTown Kids notice and become worried about their friend. Realizing he needs energy, they invite Sportacus for a good breakfast, also making sure he drinks enough water and gets plenty of sleep. Robbie does his best to sabotage the Kids‘ efforts as he hatches a scheme to get Mayor Meanswell into trouble, and finally rid LazyTown of Sportacus for good. Will the Kids be able to foil Robbie‘s plans and save their friend?!
While watching the World Cup soccer championship with Chef Pablo Fantastico, the LazyTown Kids decide to hold their own Lazy Cup and the winner gets a wish granted. Robbie Rotten overhears their plans and plots to have his own rotten wish granted. He sends a group of his all-time favorite villains to distract the Kids while he gathers a team of robots to challenge Sportacus in a soccer match. Will the Kids be able to help Sportacus win the match?
There is hustle and bustle in the town square as everyone in LazyTown gets ready for Christmas. Stingy, naturally, wants all the presents in the world, and doesn‘t listen when the Kids try to explain what Christmas is really about. As Stingy prepares his house for all the gifts he expects to receive, Robbie Rotten is also busy preparing for Christmas. But while stuffing his holiday turkey, Robbie accidently knocks Santa Claus down from the sky, causing all the presents for all the children in the world to rain down on Stingy‘s house. Will Stingy find the holiday spirit and return the gifts to save Christmas?!
Sportacus is always on the move and getting LazyTown active. But Robbie’s biggest dream is to make LazyTown lazy again, and to do that he needs to trap Sportacus. His plans never seem to work, so this time he decides to order villains to help him catch Sportacus. Will Robbie’s plan finally work…or will the kids be able to help their friend?
An 8 year old girl named Stephanie Comes to LazyTown to see her Uncle Milford. She somehow knew it was called LazyTown because it was empty and nobody is playing in LazyTown. Somehow, This greedy man named Robbie Rotten spoiled the party. So, Stephanie's Uncle gives her a tube to summon Sportacus into LazyTown. He started to twist LazyTown into an active town.