Supernatural The Things We Left Behind Promo. The CW’s Supernatural: Season 10, Episode 9: The Things We Left Behind TV show trailer stars Jensen Ackles, Jared Padalecki, Misha Collins, and Mark Sheppard. It previews a chaotic mid-season finale and hints at the potential return of demon Dean. Supernatural: Season 10’s plot synopsis: “With the help of their protectors – the fallen angel Castiel and ‘devil-you-know’ Crowley – Sam and Dean’s lifelong quest to set the world right will take everything they’ve got…and a bit more. And now, when the unthinkable happens to Dean, the Winchesters must find a way to make things right before it’s too late.”
Watch the Supernatural: Season 10, Episode 9: The Things We Left Behind TV show trailer and leave your thoughts on it below in the comments section. For more Supernatural photos, videos, and information, visit our Supernatural Page, our Supernatural Google+ Page, subscribe to us by Email, “follow” us on Twitter, Tumblr, Google+, or “like” us on Facebook for quick updates. Supernatural: Season 10, Episode 9: The Things We Left Behind airs on The CW on December 9, 2014.