Stephanie comes to LazyTown and meets a zany mix of townspeople, including the world's laziest super-villain, Robbie Rotten. Fortunately for Stephanie, LazyTown is under the watchful eye of Sportacus, an athletic, super-fit hero who runs, jumps, flips, and flies to the rescue—he always manages to save the day and to help the kids of LazyTown foil Robbie's latest lazy schemes.