During the Pawnee-Eagleton tip-off game, Leslie makes a statement about how the Eagleton players could not be in high school. The tall basketball player who dunks on Pawnee is the Miami Heat basketball player Chris Bosh.
The outside view of the building that Ben, Leslie, and Chris go to in Eagleton is the actual City Hall in Las Vegas, NV.
The restaurant wall where Ron takes down his picture for "most eggs eaten" also contains a picture of former Vice President Dan Quayle.
Kristen Bell would later star in another Michael Schur sitcom The Good Place (2016), in which Adam Scott would occasionally guest star.
Ann is wearing the same top (which is now intact) that Mona-Lisa destroyed whilst they were at the bar in Swing Vote (2013).