Charlie Schumacher: Gee, I wish MY daddy owned a bank. Then I could be a rich little creep too.
When Stanley is in jail, he put toilet papers on the toilet seat. But a few seconds later the toilet paper is not on the toilet.
The set of the italian's garage where Ipkiss has his car repairing is the same building as the Ghostbusters' headquarters (from the "Director Commentaries" in the DVD).