Divers take an underwater vehicle dubbed the "flying machine" out for a spin in. What predators will they find lurking in the depths? | http://www.discovery.com/tv-shows/shark-week/ SHARK WEEK 2017 | Starts Sun. July 23 8|7c Dive in to full episodes of Shark Week now on DiscoveryGO! Get the app, or go to https://www.discoverygo.com/ Subscribe to Discovery: http://www.youtube.com/subscription_center?add_user=discoverynetworks Can't get enough sharks? Visit the Discovery Sharkopedia to learn more about these fascinating creatures and find out how you can help in conservation efforts! http://sharkopedia.discovery.com/ Join us on Facebook: https://www.facebook.com/sharkweek https://www.facebook.com/Discovery Follow on Twitter: https://twitter.com/sharkweek https://twitter.com/Discovery Check out the Test Tube App | http://testu.be/1ndmmMq