The demon says "something is coming," to which Wynonna replied "Winter? Yeah we got the memo," a reference to the popular Game of Thrones tagline
Soren Bryce Martin (as Soren Bryce), who co-wrote the song, 'Girls Are Like Guns', had previously worked as a singer on the show, in episodes Purgatory (2016), Two-Faced Jack (2016) and She Wouldn't Be Gone (2016).