When the switch is thrown to electrocute Terrence and Phillip, it's pulled downwards. A few shots later, we see Cartman jump in to save T and P by turning the switch off. He also pulls the switch downwards instead of upwards.
When we first see Chef saying "Hello Children," we see two kids wearing their regular school clothes, then in the next shot, we see those same two kids in their Terrance and Phillip outfits.
When Terrance and Phillip are strapped in the electric chairs, Terrance is on the left. When the Mole is trying to rescue them Terrance is now on the right.
At the end of the movie Satan takes Mr. Hat with him down to hell, but later when the characters of South Park are singing you can see Mr. Garrison with Mr. Hat.
When the boys are greeted by Chef when getting their lunch, the word "Chef" on his apron appears with only the first letter capitalized. In the next shot, the word "Chef" on his apron appears in all caps.
When Bill Clinton signs the Declaration of War, he uses his right hand; the real Bill Clinton is left - handed.
The graph of Canada's economy shown early in the film reveals that a significant portion of the country's income comes from filming of X-Files : Aux frontières du réel (1993). In actual fact, The X Files has not been filmed in Canada since early 1998, well over a year before the film was released.
During the assembly in the gym, "Emergency Broadcast System" is shown on the TV screen. However, the Emergency Alert System replaced the EBS in 1997.
On the movie poster for Asses of Fire, the French word "Fromage" is misspelled as "Formage," which originated from Old French and hasn't been used since the 17th Century.
When the children of ''La Resistance '' talk about their plan to rescue Philipp and Terrence a huge sign saying '' Viva la Resitance '' is seen. It's obviously a reference to the French's Resistance in WWII. The correct french would be '' Vive la Résistance ''. However, since they are elementary school students, it can be considered normal that it is not spelled correctly.
The lead boys were told they needed to be with an adult to see the "Asses of Fire" movie but other kids somehow manage to see the movie (off-screen) and then they all watch the movie a second time without adults. The Ticket Taker is obviously annoyed and surprised, though, when the boys exit the theater for the second showing, thus explaining/ making reference to this anomaly.
When the surgeons are operation on Kenny after he lights himself on fire with his farts, you will see the surgeons are not wearing any latex gloves on their hands and yet blood is flying everywhere, so they are not protected from infections if any of Kenny's blood would ever get into any cuts on their hands if they had any.
This detail fits the fact that the surgeons in this scene are clearly incompetent. Besides not wearing gloves, they also throw his organs around, haphazardly cut his arteries, microwave his heart, and then replace it with a baked potato.
This detail fits the fact that the surgeons in this scene are clearly incompetent. Besides not wearing gloves, they also throw his organs around, haphazardly cut his arteries, microwave his heart, and then replace it with a baked potato.
The exact same soldier (bright red hair, mustache) can be seen triple "copied-&-pasted" while the men march during the 'La Resistance' musical number.
The guidance office has an incorrect spelling on the door. It should be spelled: "Counselor's Office" with the apostrophe showing possession.
Both Wendy and Gregory are seen attending rehab in school despite the fact they never saw Asses of Fire or were guilty of saying bad words but it is possible the rehab was compulsory to teach them not to swear.
At the beginning, when Kyle leaves with Stan and Kenny you can see the doorknob is on the right hand side of the door and on the inside the doorknob is also on the right hand side of the door.
Stan's Mother is seen at work in Tom's Rhinoplasty during the opening number. However, it is a Sunday (as clearly established in the lyrics of the song) and doctor's offices are very rarely opened on Sundays.
Sheila reveals her hatred on Canadians by remarking about their flapping heads and beady eyes on the news and declaring war on Canada yet as Kyle points out near the end of the film her adopted son Ike is from Canada meaning she had no room to hate Canadians.
When Ike starts to play his harmonica, music starts playing before he has the harmonica at his mouth.
During the La Resistance towards the climax of the song when the soldiers can be seen singing "Tomorrow night!" on a four-way split screen, the lip-sync doesn't match for the first "Tomorrow night!" and on the third one the mouths don't open at all.
In the song "It's Easy, Mmmkay", Mr. Mackey tells the children "With bitch drop the t 'cause 'bich' is Latin for generosity". Actually, there's no such word as 'bich' in the Latin language (the most common translation of generosity is 'magnanimitas').
Sheila states that she is placing Terrance and Philip under a citizens arrest, but then produces a court order for their arrest. A court order indicates government authorization of such an action, making it not a citizens arrest.
When Cartman asks the kids who wants to touch him for having seen the Terrance and Phillip movie, the boy who touches him and says "ooh" is Butters, but his voice is clearly off model.
During the video from the Whitehouse, the President is talking about the horrific bombing of the Baldwins at 5am that morning. The scene a few seconds earlier depicts Canada bombing the Baldwins. They are by the pool talking on the phone and it is day outside. There would be no way that the bombing happened at 5 in the morning, before daylight.