When Carly and the gang gets tricked,Freddie gets a visible black eye. Later on the Web awards Freddie's black eye disappears.
When Spencer and Marissa are searching for the kids, their red Fiat 500 is on a paved road. When they spot them and stop the car, immediately afterward they are on a sandy country road.
During the Space Cheerleader bit on the iCarly web show. Sam throws her Pom poms down twice before her and Carly start hitting each other with their sticks.
In Japan, like the UK, Australia, southeast Asia, and parts of the Caribbean, they use right-hand-drive cars and drive on the left side of the road, yet in the car scenes, they are in left-hand-drive vehicles and drive on the right side of the road.
Kyoko and Yuki's car is a 2nd-Generation Scion xB. Although it's a Japanese car made by Toyota. The Scion brand was never sold in Japan. If iCarly was actually filmed in Japan. Kyoko and Yuki would have most likely been driving a right hand drive version of the Scion xB called the Toyota bB. The Japanese version of the Scion xB sold in the United States and Canada.
When Carly, Sam, and Freddie confront the Japanese security guards, the logo of a Citibank can be seen reflecting on a window.
If all of Carly's luggage was thrown off of a cargo plane with no parachutes, why wasn't any of the equipment damaged, including Freddie's miniature camcorder that was kept in his red backpack?
If Carly, Sam, Freddie, Spencer, and Marissa are all in the room next to the control booth (where the controllers are clearly seen in the room next to them speaking English) couldn't they not knock on the window of the control booth and tell them who they were so they could get on stage faster?