The eighth season of Supernatural, an American dark fantasy television series created by Eric Kripke, premiered October 3, 2012, and concluded on May 15, 2013, airing 23 episodes. It is the first season headed by Jeremy Carver as executive producer and showrunner. It aired on Wednesdays at 9:00 pm (ET) on The CW. The season was released on DVD and Blu-ray in region 1 on September 10, 2013, in region 2 on October 28, 2013, and in region 4 on September 25, 2014. The eighth season had an average viewership of 2.12 million U.S. viewers. In the season, Dean reunites with Sam after escaping from Purgatory. The duo team up with the prophet, Kevin, to complete a series of trials that will allow them to close the gates of Hell for good.

Jeremy Carver is an American television writer and producer. He developed the series Being Human (2011–2014), Frequency (2016–2017), and Doom Patrol (2019–2023). Carver was also a writer and producer on the series Supernatural from 2007 to 2010 and 2012 to 2015, serving as showrunner during the eighth through eleventh seasons.