The first to air after the attacks of September 11, 2001.
The soldiers scanning the big brown package from Afghanistan are using Tricorders from the original Star Trek (1966).
In the commentary, Matt Stone admitted to hating Stevie Nicks, hence why the goat the boys were sent was written in the episode to be mistaken for her.
Stan's address is listed as 2001 Bonanza Street - South Park, Co. 80439.
Osama's teeth play some notes from "America the Beautiful."