screenrant.com -BY REBECCA SARGEANT -While there are 15 seasons and 327 episodes of supernatural to kick back and enjoy, each season has one episode that stands out from the rest.
collider.com -BY MICHAEL JOHN PETTY -Sam and Dean may have saved the world a dozen times over, but supernatural was at its best when they were just hunting monsters across America.
www.cbr.com -BY KEEGAN PROSSER - TNT will celebrate the end of supernatural por airing a week-long marathon ahead of the series' final seven episodes being aired on The CW.
screenrant.com -BY CRAIG ELVY - supernatural began in 2005 and follows Sam and Dean Winchester all the way to season 15. But how old are the brothers at both the beginning and end?