The 14th season also featured the return of John Winchester (Jeffrey Dean Morgan) for the show’s historic 300th episode.
Now, heading into their 15th season, Sam and Dean find themselves facing a threat beyond anything they’ve ever grappled with… anything they’ve ever imagined: God himself.
You can check out the promo in the player below and catch the new episode on the show’s new night, Monday, March 16!
The epic journey of the Winchester brothers comes to a close as Supernatural enters its final season.