The series follows Stephanie, a happy-go-lucky 8-year-old[7] girl who moves to LazyTown to live with her uncle, Mayor Meanswell, and is quite surprised to learn that its residents lead inactive lifestyles. With help from the hero Sportacus, she helps teach them how to be more active and lead healthy lifestyles. They are opposed by the villainous Robbie Rotten, who prefers to lead a sluggish life and devises schemes to make LazyTown lazy. However, his plans, which, ironically, involve him becoming physically active, are never foolproof and always end in failure.
Each of the children that Stephanie befriends embodies negative traits. Ziggy has an unbalanced diet devoid of fruits and vegetables, Pixel is very reclusive and spends too much time on his computer, Stingy is self-centered, selfish and possessive, and Trixie is a troublemaker and spoiled brat with little respect for rules and other people. and They Will Have To work together To Save Lazytown From Robbie Rotten taking over.