When 911 is dialed, the final two audible tones do not match, as would be the case if "1" was repeated.
Despite the movie taking place in 1995, the orange LEGO brick separator is shown in some shots, which was not introduced until 2011.
At the beginning of the film, the back of a midnight blue Edmonton Oilers jersey is shown. The Oilers were still using their royal blue jerseys in 1995. The midnight blue uniforms were not unveiled until the following year.