While in the store buying Chinpokomon dolls, Cartman yells at Kenny because Kenny took the last Pengin doll. A few scenes later more Pengin dolls are seen on the shelf.
When Sharon is watching the march and comes up with an idea, her eyebrows disappear.
The group of kids behind Stan, Kyle, Cartman and Kenny is always different when Mr. Ose and Mr. Hirohito talk to the kids at Chinpoko Mon Camp.
If Kenny is still in a seizure when he and Stan reach Cartman, he should not be laughing with the others when Kyle shows up with the game controller.
During the march, Kenny isn't there until Sharon tries to get Stan's attention, but he's only seen for a second. Also, sometimes the boys are in the front row, sometimes the second.
Stan and Cartman erroneously refer to Mr. Garrison in Japanese as "Garrison-San", not "Garrison sensei."