Louise mentions "Don Draper" from Mad Men (2007) when she sees Bob wearing the suit. Jon Hamm, who plays Don Draper, appeared on this episode as the intelligent toilet.
Burger of the Day: Sharp Cheddar Dressed Man Burger (Comes with sharp cheddar)
Exterminator - "Adios Mice-Chachos"
Store next door - "Earth, Wind, & Tires"
After Gene activates the bidet on the toilet, the toilet plays the "L'estate" (Spring) concerto from Antonio Vivaldi's "Le quattro stagioni" (The Four Seasons). The song is also whistled by both Gene and by Max Flush during two separate scenes later in the episode.