This page contains trivia for "I Should Have Never Gone Ziplining". Remember, trivia must be factual, provable, and it is always best to cite your source for not-so-obvious trivia. If you would like to dispute a trivia point, please discuss it in the article comments.
Kenny's live-action actor doesn't have blonde hair despite his character having such.
During the live-action reenactment, the actors portraying Kenny and Kyle have brown hair and the actor portraying Cartman has the wrong colored shirt. These inconsistencies are a parody of reality show reenactments, which lack detail and are overdramatized. 
Mr. Hankey's aircraft, designated the Seven Turdy Seven, resembles the quad-engine Boeing 747, as opposed to the twin-engine Boeing 737.
This is the first time since "Pinkeye" that Kyle was the one to say, "Oh my God, they killed Kenny!"
Kenny was the only one that did not get interviewed most likely since he was dead at the time.
Kyle had the idea of going to the city pool despite the fact he is grossed out by them in "Pee".
When Kyle yells at Stan that he is a bastard to causing Kenny to die of boredom, he is clearly alluding to the running gag of Stan and Kyle announcing that Kenny has been killed. Cartman even says "You... You killed Kenny!"
In the picture of Kyle in the hospital at the end of the episode, there is a calendar displayed on April of 2012, which is the month and year that this episode first aired.
Cartman drinking Mountain Dew is a reference to the ad campaign promoting it as an extreme sports beverage.
During the closing montage it was mentioned that Stan made an awareness campaign so successful that he ended up "Jackin' it in San Diego" for a second time. The first incident occurred in "Butterballs".
Kenny's death in this episode marks the only one of the season.
This episode marks the first appearance of Mr. Hankey since the "200" and "201" arc. However, he doesn't speak with his real voice in this episode and is only shown in pictures and as real-life feces.
Cartman insults Kyle for being Jewish, which indicates his attitude towards Judaism has reverted since "Jewpacabra".