And often during those screenings various members of the audience applaud during opening or closing credits when they identify a colleague or friend's name. "There's Travis, he such a good Key Grip." ;)
I always watch Phantom Menace all the way to when Vader breaths. It's easy since the music is so wonderful that I don't want to turn it off until I've heard it all. Thanks to people mentioning it here I stayed until the very end of Kill Bill Vol.2 to see the outtake. I wish more movies would...