Collider ranks the most original fantasy television shows that were created as original series rather than adaptations.

– Extraordinary: A world where everyone gains a superpower at eighteen, except the protagonist Jen, who feels isolated and takes desperate measures to develop her own abilities.
– Once Upon a Time: Fairytale characters are cursed to live in the real-world town of Storybrooke, Maine, with the series exploring how they arrived there through flashbacks.
– Charmed: Four Halliwell sisters discover they come from a witch family and develop supernatural powers, using them to protect vulnerable beings from those who use their abilities for evil over eight seasons.
– Supernatural: Brothers Sam and Dean Winchester reconnect to hunt evil supernatural creatures following their father's disappearance, with the show becoming beloved for its three main characters.