The twelfth season of Supernatural, an American dark fantasy television series created by Eric Kripke, premiered on October 13, 2016, on The CW and concluded on May 18, 2017.

[4] The season follows Sam and Dean dealing with the resurrection of their mother while trying to stop Lucifer from creating a Nephilim, while also being the target of a faction called The British Men of Letters.

Supernatural was renewed for a twelfth season by The CW on March 11, 2016.

[28] The review aggregator website Rotten Tomatoes currently reports a 100% approval rating for Supernatural's twelfth season, with an average rating of 8.5/10 based on 10 reviews.

The critics consensus reads, "Twelve seasons in, Supernatural still finds ways to entertain, forging new paths bound to lead to fresh adventures ahead for the Winchester brothers.