* The series ended in 2014: The last episode of LazyTown aired in 2014.
* The creator has moved on: Magnús Scheving, the creator and star of LazyTown, has moved on to other projects and is no longer producing new LazyTown content.
* The rights are owned by a different company: The rights to LazyTown are now owned by a different company, and they haven't announced any plans for new episodes.
While some fans might hope for a revival, it's not something that is currently being discussed or planned.