The octopus was thought to be nature’s ultimate loner – now its secret social life is revealed. Secrets of the Octopus | S1, E3 Explore the World with National Geographic subscriptions: http://natgeo.com/ytngmagazine ➡ Subscribe: http://bit.ly/NatGeoSubscribe ➡ Get more Nat Geo Full Episodes: https://youtube.com/playlist?list=PLivjPDlt6ApSiD2mk9Ngp-5dZ9CDDn72O ➡ Get more Nat Geo Wild Full Episodes: https://youtu.be/qAG2SkTPltw And check out more National Geographic series and specials here: ➡