While discussing a teenager with an attitude problem, another teenager mentions he's likely to crazy and makes stabbing motions while imitating the famous screeching sounds from "Psycho." Even the closed-captioning references "Psycho" at this point.
The proprietor of a spring break hotel tries to cheer the chief of police up by telling him "Smiles! Smiles" in the same way and manner that Mr. Roarke did on "Fantasy Island."