The fictional Pico Tower was written at the intersection of Pico Boulevard and 3rd Street, despite the two roadways running parallel in real life.
At the library, Cameron expresses interest in the ancient muzzleloaders used in the Modoc war (1872-1873). This was a transition period; breechloader firearms (using ammo where the bullet, the propellant, and the primer are all part of each cartridge) were becoming the standard. Muzzleloaders were still used by folks who could not get the newfangled guns. The Springfield Model 1873 quickly became the official US Army rifle.
The alias Myron Stark is a play on Tony Stark (Iron Man) from the Marvel comics and the Marvel Cinematic Universe.
John and his girlfriend Riley share a kiss for the first time in this episode.