I’m fairly certain I recall a movie (comedy, I’m guessing) in which the idea of Smell-O-Vision was rekindled. It was in the 80’s, I think. Anyone remember such a show? A quick search brought me the historical facts, which made me laugh.
http://web.uflib.ufl.edu/spec/belknap/exhibit2002/smell.htm
*UPDATE* My wife was able to tell me the reference came from UHF almost the instant I asked the question. Hurray for her memory of ‘Weird Al’ flicks!