Sportacus is always on the move and getting LazyTown active, but Robbie's biggest dream is to make LazyTown lazy again, so he decides to order villains to help him catch Sportacus.

A missing page from Stephanie's diary causes trouble amongst the kids.

It is the first day of Summer, and everyone heads to the beach, but Robbie wishes that everyone would leave town, so he could be on his own.

Sportacus loses his Crystal and offers a reward of one free wish to whoever finds it and returns it. Robbie sees this as the opportunity to get the free wish and use it to wish Sportacus out of LazyTown.

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.

Robbie discovers that plenty of sleep gives people much needed energy, so he plots to rob Sportacus of his precious sleep so that he'll become weak and lose an upcoming baseball game.

The kids attempt to raise the Energy Meter in order to avoid being named the Laziest Town.

Stephanie and Stingy campout with a scared Ziggy who thinks he's seeing a dinosaur roaming about.

The kids enter a treehouse building contest, but find it difficult working with Stingy because he doesn't know how to work as a team.

Robbie uses a device to erase Sportacus' memory.

Sportacus takes a holiday 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.

Everyone in town is busy trying to set new world's records, with Robbie trying to make LazyTown the World's Laziest Town.

The kids must face Robbie Rotten in a sports competition without the help of Sportacus after the villain causes the athletic hero to suffer a Sugar Meltdown brought on by a candy apple.

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.

The kids join the Lazy Scouts, led by Scoutmaster Robbie, who promises to teach them the easy and lazy way to go camping. This doesn't sit well with Stephanie, especially when she discovers that the kids are ill-prepared for an oncoming storm.

Robbie Rotten pretends to be the Mayor’s favorite rock and roll singer, Johnny B. Badd, so he can demand that Sportacus leave town.

Bessie's birthday cake turns up missing, and Robbie tricks everyone into believing that Sportacus stole it. The accusations land Sportacus in jail, so the kids get together to prove that he's innocent.

The Mayor runs a race called the LazyTown Derby. Stephanie, Stingy and Ziggy build race cars, but Robbie cheats by getting himself a rocket powered car.

The kids are compelled to do whatever Robbie says and not question him when he disguises himself as Sportacus and gets them to act lazy.

The kids decide to create a circus in LazyTown. Robbie quickly formulates a scheme to blast Sportacus out of a cannon and out of LazyTown.

Sportacus and the kids help Mayor Meanswell become a secret agent so that he can find out how Robbie Rotten won a race to become mayor of LazyTown.

Robbie fools Stingy into thinking that he's the Prince of LazyTown which soon gets him into trouble.

Ziggy tries to be a hero just like Sportacus, but his antics start getting him in trouble when he messes up the construction of the kids' new clubhouse.

Ziggy and Stingy put on a puppet show about a fortune-teller, but Robbie wants to use the opportunity to make them think there will be no more Sportacus.

Pinocchio shows up in LazyTown to help Robbie lie to the kids, convincing them to eat sugar gooey lollipops.

Ziggy wants a baby troll after hearing a bedtime story about one, so the kids venture into the mountains and find a troll called LuLu.

A day in the life of Sportacus as he goes about his daily routine as a superhero, performing incredible stunts and saving all the residents of LazyTown including Robbie.

Robbie impersonates Bobby Bird in a phone call and challenges Ziggy to a game of basketball.

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.

The kids are playing an astronaut's game, which inspires Robbie to move to the moon in order to get away from Sportacus and the noisy kids.

Robbie disguises himself as a wizard while Stephanie and the mayor are away and makes a potion to make all the kids lazy.

Robbie discovers that to make LazyTown lazy again, he needs to get rid of Stephanie, who wants to be a real princess.

Trixie acts as a ghost at school and scares Ziggy, so Robbie decides to disguise himself as a ghost to scare the kids out of school.

Robbie orders an Egyptian Pyramid with the hope of trapping Sportacus inside.

Sportacus gives each of the children an energy book and stickers to help them keep track of their daily habits, including exercising, brushing their teeth. Robbie attempts to distract them from using the stickers by appealing to each of their own character traits.

The kids decide to grow fruits and vegetables for a Sports Candy Festival for Sportacus. However, Robbie wants them to stop eating healthy foods and ruin the festival, so he disguises himself as life-size fruits and vegetables, hoping to scare the kids and stop the festivities.

Robbie decides to go back in time to stop Johnny SportsCandyseed from planting the first SportsCandy tree.

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.

When Robbie realizes that Sportacus started learning all of his hero skills when he was a boy, he turns Sportacus into a 10-year-old.

Robbie poses as an alien named Zobby and befriends Ziggy, so the other kids decide to blast Zobby home to his own planet in a rocket.

Pixel invents a new helmet that can turn people invisible. When Robbie gets his hands on it, he plots to get the mayor in trouble and use the helmet to keep Sportacus from rescuing the mayor.

When Mayor Meanswell goes away for the day to catch butterflies, Robbie decides to impersonate him and starts changing LazyTown’s rules – no more sports candy, and Sportacus must leave town forever!

Pixel makes 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.

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, where Robbie poses as a ghost to scare them into not playing any more.

World-famous Mediterranean chef Pablo Fantastico is coming to LazyTown to show everyone his healthy recipes, but Robbie wants to put a stop to this, so he disguises himself as Pablo Fantastico and gets rid of the real one.

It's Christmas in LazyTown, and the kids are very excited to receive their presents. When Santa arrives empty-handed, the kids go searching for the missing presents.