After Sal knocks down the garbage from a picnic table, it reappears a few shots later.
Q's hula girl bobble head constantly switches from being broken at the waist, to being fixed.
The horse on the movie poster is brown, while the horse in the actual film is white.
At the end of the Paula Abdul concert, the song "Joker And The Thief" by Wolfmother is playing. This song was released in 2005. The scene takes place in 1992.
When the Impractical Jokers set out, they cross the Goethals Bridge - which is the current model, not the original at the time that the film takes place.
Present-day vehicles are visible in Q's driving scenes.