Cameraman and actor are named Don and Roger.They meet a woman in the street and ask if she would like to come up to the apartment to see their model train set.She say's "Yeah Right" and agrees to go.Low and be hold there is this elaborate train layout.Any way she has to convince him to stop playing with the trains and take her to the sofa(I know sounds great)Iv'e seen the scene but dont know the title of the movie.