he struggles to free himself as hundreds of suction cups of pure muscle are pulling on him. each cup forms an almost unbreakable seal on doug's head and mask. once the sucker fastens on, it's almost impossible to pry off. my mask was coming off. my regulator was coming out and the fight was on. i'm at a great disadvantage when i'm under water, because this is the octopus' territory. that's where the octopus lives. i don't live there. the octopus doesn't need air to breathe. i do. the octopus has eight arms. i only have two. you're at the octopus' mercy. >> the regulator is slipping out of his mouth. it's do or die. >> i'm trying with one hand to put my regulator back on my mouth and trying with one hand to put my mask back on and with anything that's remaining i'm trying to peel the arms of the octopus off my mask. >> one by one, he peels off every vacuum-like sucker and each overpowering tentacle. >> it was all of doug's strength just to get one arm off, and he