Supernatural 13×17 “The Thing” Season 13 Episode 17 Inside – TRUST NO ONE – Sam (Jared Padalecki) and Dean (Jensen Ackles) continue to collect the pieces necessary to open a rift to the other world in order to save their family. Their latest quest leads them to a Men of Letters bunker from the 1920s and a hungry God from another dimension. Meanwhile, Ketch (guest star David Hayden-Jones) makes a shocking decision about Gabriel (guest star Richard Speight Jr.) after an unruly encounter with Asmodeus (guest star Jeffrey Vincent Parise). John Showalter directed the episode written by Davy Perez (#1316). Original airdate 4/5/2018.