this amazing array of artifacts all belonged to a man named stephen geppi. >> his collection got to the point where he looked at it and that they like this stuff. so why don't i put it out so everybody can enjoy it?" >> so, what are the top five things that teens shouldn't miss when they come here? >> well, scott, let me show you. come on. ?? as you can see on the walls of our museum, we have several pictures spanning the eras of each room -- 1928 leading into 1945 over here. >> because the exhibits are organized by date, you can see how our culture changed through the television era in the 1950s. >> also, over here we have the '60s revolution -- a lot of fun stuff going on in there. and 1971 to 1990 is where the first surprise is. [ fanfare plays ] >> the number-5 artifact is what's called a one-sheet, the kind of movie poster displayed in a movie theater. if you're a "star wars" fan, you'll see there's something strange going on here -- >> the original title of "return of the jedi" was supposed to be "revenge of the jedi." and before they had a chance to make this decision, they had a