While trying to retrieve their remote camera system, Forrest Galante and his team suddenly find themselves surrounded by tiger sharks. Stream Extinct or Alive: The Lost Shark on Discovery GO: https://go.discovery.com/tv-shows/shark-week/full-episodes/extinct-or-alive-the-lost-shark Own Full Seasons of Shark Week: https://play.google.com/store/tv/show/Shark_Week?id=gg81I7BZ-J4&hl=en_US 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/Discovery https://www.instagram.com/SharkWeek #SharkWeek #SharkWeek2019 #Sharks