Rick's car goes fishing for a giant planet eating humanoid, clearly inspired by the original design for Galactus from Marvel Comics.
All of Jerry's party-demons are spoofs of the 'Hellraiser'- Movies.
One of them : Pinhead . He becomes 'Penhead' in this episode.
The title is a take on "American Graffiti".
A poster featuring Char and Ity, the brothers from Justin Roiland's segment in Seth Rogen's Hilarity for Charity special on Netflix, can be seen at the karaoke bar.