Long-running series

A long-running series is a work of entertainment—such as a TV show, book, or comic—that extends over many installments, often spanning years or decades. These series develop characters, plotlines, and themes over time, creating a continuous narrative experience for audiences. Their longevity typically reflects consistent popularity, compelling storytelling, and dedicated production efforts. Long-running series can foster strong fan communities and become cultural landmarks. They require careful planning to maintain quality and engagement across installments, and their success often depends on balancing ongoing storytelling with fresh ideas to keep viewers or readers invested over the extended period.