Of all the 1150 movies I've seen in a theater, the ONLY time this ever really happened for me was with SURVIVAL QUEST in 1989. I had nothing to go on except the movie ad which read ''starring Lance Henriksen and Mark Rolston.'' That's why I went. The ad only showed dense forest, leading me to expect a DELIVERANCE-style thriller. In the end it was somewhat more light-hearted, but it was still an action thriller and not knowing in advance was a refreshing experience.