we want to treat this water like drinking water. >> which leads me to one very scientific query. >> so, the likelihood of any of the 92 performers urinating probably never happens? >> no. i don't know. i'm not in the pool. >> there's no way anybody is peeing in this pool. >> that doesn't happen. >> i'm here to ask the tough questions. of course, it doesn't happen. >> our next stop will be the wardrobe department. it's probably the most expensive department here to run. it falls under technical. the costumes here like anything can only live so long in the water. if you took your bathing suit and swam in it five times a week for a period of time within a few weeks there's no color left in it. >> they get funky. they start to smell.