screenrant.com -BY KJ MINZNER - The cast and crew of Supernatural prepares to say goodbye to the show they've worked on for 15 seasons in a special behind-the-scenes teaser.
www.denofgeek.com -By Kayti Burt
- After 15 seasons, Supernatural is about to come to an end. Here's everything we know about the Supernatural series finale, including the synopsis and release date.