When Rachel finds Remy injured, she tells Wynonna that he's part of a Halsey tribute band. Though not Halsey, the actor who plays Remy, Ben Wong, plays guitar in The Tragically Hip tribute band called, "Bill Barilko and the Disappearance".
Casey claims to have made Wynonna a casserole. Wynonna responds saying he covered Kraft Dinner with kimchi and weed. Andrew Phung who plays Casey previously played a character called Kimchi in Kim's Convenience.
At 8 minutes Jolene says "Of all the cabins in all the world...". She is paraphrasing Rock's line in "Casablanca" " Of all the gin joints in all the towns in all the world... ".