Transcript for Water Ball Racing Is Wacky, Wild Way to Cool Down
? All right, the Mercury is rising, we are cooling it down now. Some of the wackiest wildest ways to stay cool in summer. It's "Gma's" cool it down countdown and this morning, oh, no, oh, I was seeing video. It looks deflated. It's our giant waterball race and nick watt has been gearing up for it all morning moving about inside an enormous water ball at Sahara stands oasis water park in west Berlin, new Jersey. Nick, how is it going inside there? Hey, Lara, it's getting hot in here and essentially I'm a hamster in a ball but I'm about to roll on water. You climb into this thing through a zipper. They pump it full of air and ready to roll. Lifeguards in the pool. I'm told mine, if he wants to give me helping push, that's totally fine. We're ready to roll, Chrissy, Brian, ready, let's do this. Let's do this. He's going to do it. Go! Whoa! The man walks on water in every way. He was working hard. Look at that. I just saw -- ooh. Welcome to the gun show. Is it hard, nick? Reporter: Guys, that was awesome. Going forward, baby crawling is the way. You lose your balance, fantastic. How do you steer that thing? How do you steer it? Nick? Reporter: Yeah. I can't hear anything in here. I'm in my own world in here. Let the man out of the ball. Please. Come on. He won. Let the man out of the ball. Let the man out of the ball. Let the man out of the ball. Congratulations, nick. You made us proud. You made us proud. Our living hamster. We love him so much that we have to show you in slo-mo. There it is, nick taking it to the finish line for us on "Good morning America."
This transcript has been automatically generated and may not be 100% accurate.