One of the first lines spoken by new character Sheriff Beau Arlen played by Jensen Ackles is, "Son of a bitch!" This is a likely reference to Jensen's character, Dean Winchester, in "Supernatural" who often used this phrase when frustrated.
Jensen Ackles (Beau) starred in Supernatural (2005-2020) as Dean Winchester. Dedee Pfeiffer (Denise) guest starred on Supernatural in Season 4, Episode 19.