Does supernatural the tv show have any truth?

Supernatural is a fictional American dark fantasy drama television series created by Eric Kripke. The series follows the story of brothers Sam and Dean Winchester, played by Jared Padalecki and Jensen Ackles, who travel across America hunting supernatural creatures, including demons, ghosts, and monsters.

No, Supernatural is a work of fiction and does not have any truth to it. The creatures and events depicted in the show are not real and are purely for entertainment purposes.