OK, you've just reminded me of one of my favourite stories. In Alien Resurrection, there's a scene where "Ripley" throws a basket ball behind her and it goes st

OK, you've just reminded me of one of my favourite stories. In Alien Resurrection, there's a scene where "Ripley" throws a basket ball behind her and it goes straight in the hoop. Now, obviously, you only need one take, but still Sigourney Weaver needed to practice. And practice she did, getting it so that she could reliably do it from a fixed spot in ten or so tries. Then she gets there and the set and marks are _much_ bigger than she was expecting. Like, four times as far. They discuss this, realize there's absolutely no chance of this working, so just agree that she'll throw it, and they'll cut to the ball going in. So she goes and takes the shot and... the ball goes in the basket. There's video of this online that includes the cheers from everyone in the crew who saw it happen. Just don't ask her to do it again.