. >> reporter: his other son, ben houston, just opened hillsong los angeles.already, those familiar lines are forming for sunday services inside this rented theater. >> god is moving. >> reporter: with a church so dependent on young people, the question is, will they some day outgrow it? the shepherds and the sheep insist it's not the nuance that makes hillsong work. it's the name you hear over and over again. jesus. >> the story, the thread, has to come back to jesus. >> reporter: "nightline," i'm byron pitts in new york. >>> up next here, could you survive a plane crash or being stranded at sea or a shark attack? what about all three at once? our reporter gives it a go. >>> and later on "nightline," what we're learning nor newly released surveillance video of a fatal shooting at a high end mall. how criminals target their prey. so guys -- it's just you and your honey. the setting is perfect. but then erectile dysfunction happens again. you know what? plenty of guys have this issue, not just getting an erection, but keeping it. well, viagra helps guys with ed