 Natural disasters are big on the screen this weekend. The once-in-a-generation tornado outbreak continues across Oklahoma. We've never seen tornadoes like this before, and we need your help. No, I don't chase anymore. Kate, we can save lives. I'll give you one week. Almost 30 years after the original hit film Twister with Helen Hunt, we now have Twisters. Let's get a review with ABC News Entertainment correspondent Jason Nathanson. Jason, thanks for coming on with us today.