As of Sept 2018 the power metal instrumental track played during the ending credits of this episode is unidentified and possibly an in-house production. It resembles avantgarde epic power metal acts such as the album "Kings of the Nordic Twilight" by artist Luca Turilli. It may be possible to contact Netflix to determine the song's author.
During the Possum Pizza where Chief Crawford, Gina, and Fitz enjoy a beer, a stuffed squabbit can be seen in the crane game machine in the background. This is a reference to Roger Black and Waco O'Guin's other show Brickle Berry when Steve creates the squabbit in an attempt to create a new cute animal