A clash of true oceanic titans fought in the remote battlefields of Ascension Island. Tuna are often faster, fitter and bigger than the sharks. Watch all of SharkFest 2020 now for free, no sign-in required on the Nat Geo TV site and app: https://www.nationalgeographic.com/tv/shows/sharkfest ➡ Subscribe: http://bit.ly/NatGeoWILDSubscribe ➡ Get more Nat Geo Wild Full Episodes: https://www.youtube.com/watch?v=qAG2SkTPltw ➡ Get more Nat Geo Full Episodes:    • National Geographic Full Episodes   And check out more National Geographic series and specials here: ➡ Disney Plus: https://on.natgeo.com/3q6on5p ➡ Hulu https://www.hulu.com/welcome ➡ NGTV app https://www.nationalgeographic.com/tv/ ➡ ABC app https://abc.com/ About National Geographic Wild: National Geographic Wild is a place for all things animals and for animal-lovers alike. Take a journey through the animal kingdom with us and discover things you never knew before, or rediscover your favorite animals! Get More National Geographic Wild: Official Site: http://bit.ly/MoreNatGeo Facebook: http://bit.ly/NGWFacebook Twitter: http://bit.ly/NGWTwitter Instagram: http://bit.ly/NGWInstagram Shark vs. Tuna (Full Episode) | National Geographic https://www.youtube.com/watch?v=qAG2SkTPltw Nat Geo Wild null