Supernatural is a series.
Supernatural (U.S. TV series) . Starring Jared Padalecki as Sam Winchester and Jensen Ackles as Dean Winchester , the series follows the two brothers as they hunt demons , ghosts , monsters , and other supernatural beings . The fifth season concluded the series ' main storyline , and Kripke departed the series as showrunner . The series was renewed for a twelfth season , which aired from October 13 , 2016 , to May 18 , 2017 .