The constant ribbing they take in the Ginger episode-other guys keep sending dog food and chew bones to Friday and Gannon. And Friday's exchange with the officer who hasn't entered into evidence the pot in his pocket yet and Ginger grabs it.
The end of the purse-snatching dog ep and the policewoman saying she has to break the dog from grabbing her purse.
Later, when trying to deduce Friday and The Virgin Connie Swail's whereabouts, Streebek briefly considers the idea of them having sex in said Yugo, before eventually declaring it to be impossible, complete with using his hands to try and work out the logistics.
The punchline at the very end, which was being built up over half the film. You know what I'm talking about.
Streebek trying to talk Friday out of eating his chili dogs.
Streebek: You know the kinds of things that can fall into an industrial sausage press, not excluding rodent hairs and bug excrements?