Do You Wanna Know a Secret? (2001)
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."
mentioned in dialogue
A teen ager points a video camera at his friends and tells them "Welcome to 'The Real World' and try to act natural."