watch 01:24 The Loop (TV) Do you like this video? The entrance into Canada. The entrance into the USA. The Canada-USA Border is the border between the USA and Canada. Homer and Grandpa Simpson drive through here to smuggle illegal drugs into Springfield. A guard that worked on the USA side let them in after Homer complimented him. Appearances Episode – "Midnight Rx" Retrieved from "https://simpsons.fandom.com/wiki/Canada-USA_Border?oldid=829895" Categories: Locations American Locations One-time locations Season 16 locations Season 16 first appearances Community content is available under CC-BY-SA unless otherwise noted.