The WWE wrestler Edge is Canadian but was not presented as such in the episode with a flapping head.
When the boys are in Sizzler they're all drinking sodas except for Kenny who is drinking water, possibly a reference to his being poor, implying that he could not afford a soda.
After the wrestling event as people enter into the lobby, a Visitor can be seen making a telephone call while standing behind the phone booth.
In his meeting with Principal Victoria, wrestling coach Mr. Connors holds up a newspaper with the headline "BOY LOST IN BALLOON", dated October 21, 2009. This is a reference to the famous "Balloon boy" hoax that occurred six days earlier on October 15, 2009, in which Richard and Mayumi Heene released a helium-filled gas balloon into the atmosphere above Fort Collins, Colorado and falsely claimed their six-year-old son Falcon was trapped inside it; the boy however was hiding in his parents' attic throughout the entire ordeal.
One of the audience members later had his first major appearance in "The F Word".