As you can probably guess, filming Shark Week each year can be quite dangerous! These are some of the closest calls ever in the history of Shark Week. Shark Week 2018 starts Sunday July 22 9p! Stream Shark Week's Most Intense Encounters on Discovery GO: https://www.discovery.com/tv-shows/shark-weeks-most-intense-encounters/ Stream Classic Shark Week Episodes: https://www.discovery.com/tv-shows/shark-week/ Subscribe to Discovery: http://bit.ly/SubscribeDiscovery Join us on Facebook: https://www.facebook.com/Discovery https://www.facebook.com/SharkWeek Follow on Twitter: https://twitter.com/Discovery https://twitter.com/SharkWeek We're on Instagram! https://www.instagram.com/DiscoveryChannel https://www.instagram.com/SharkWeek