LazyTown: Season 1, Episode 12 - Rottenbeard (2004)

In 'Rottenbeard', Robbie Rotten disguises himself as the pirate 'Rottenbeard' to trick the children of LazyTown into thinking he is a real pirate. He plans to steal their energy and make them lazy by convincing them that adventure is dangerous.

Stephanie and the other children are initially excited by the idea of pirates and adventure. They are drawn into Robbie's scheme, believing he is a real pirate, which leads them to engage in a treasure hunt that Robbie manipulates.

Sportacus, as the hero of LazyTown, is determined to protect the children from Robbie's schemes. He encourages them to stay active and healthy, ultimately revealing Robbie's true identity and helping the children understand the importance of being active.

By the end of 'Rottenbeard', the children learn that adventure and fun can be safe and healthy when they are active. They realize that they should not be fooled by appearances and that true adventure comes from being energetic and working together.

Robbie's plan backfires when the children, inspired by Sportacus, decide to take charge of their own adventure. Instead of becoming lazy, they become more active and engaged, ultimately thwarting Robbie's attempts to steal their energy.