Though the warden gives the prisoner number 24601 to Cartman, his orange uniform reads 26354.
When the girls challenge the boys to a sledding race they say the race will take place on Saturday, later when the boys are making their presentation to the governor they say the race is on Thursday.
Side shots of Romper Stomper leave out the tattoo under his left eye.
The sign reading "Highway 285" is in red and blue (which is for interstates) rather than black and white. While there is a highway 285 in Colorado, Interstate 285 is in the Atlanta, Georgia area.
On race day, when Stan asks for Clyde, he steps up to ride for Cartman. At this point, you can also see him in the background, beyond the third girl on the girls' sled.
When the boys are giving their presentation to the governor, Stan calls him the mayor.