This page contains trivia for "Sarcastaball". 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 appears to be unhooded in the locker room scene but is hooded again throughout the episode.
Much of this episode was inspired by the fact that the NFL had changed its kickoff rules over the past two years to try and reduce injury. 
In the episode, Randy Marsh's uniform is different to the one seen in the preview.
Butters' tap shoes can be seen in his closet when he shows Cartman his collection of "goo". They can be seen on the top shelf, in a box that says "Tap Shoes". This is a reference to the episode "You Got F'd in the A".
Butters' Professor Chaos helmet and necklace are in his closet when he shows Cartman his "goo".
Stan's comment at the end of the episode, about his father always exaggerating any illness he gets, is a reference to his hypochondria. Randy exaggerates his alcoholism in "Bloody Mary", going so far as to put himself in a wheelchair.
Butters was able to ejaculate for the first time in "Lil' Crime Stoppers", where Cartman forced him to pull on his wiener to release a semen sample.
When Butters shows Cartman his "goo", his Professor Chaos helmet can be seen. The red dot in the center is seen on the back of the helmet, however it normally appears on Butters' forehead whenever he wears it.
When Stan offers Randy a bottle of Butters' "goo", he had nothing in his hands in the last segment. In the next, he has a little bottle.
When the boys are watching the football game, Butters disappears for one scene, then reappears when he speaks.