Ratings for Supernatural’s ‘Mamma Mia’ October 21, 2016 News, News Supernatural -- "Mamma Mia" -- SN1202b_0196.jpg -- Pictured (L-R): Jared Padalecki as Sam, Jensen Ackles as Dean and Samantha Smith as Mary Winchester -- Photo: Katie Yu/The CW -- é 2016 The CW Network, LLC. All Rights Reserved Supernatural’s episode, ‘Mamma Mia,’ received a 0.6/2 rating with 1.61 million viewers. SOURCE Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Reddit (Opens in new window) Related