one of my concerns after the accident, i wasn't wearing a wet suit and i was only wearing a pair of board shorts and i was concerned that it could have been a lot worse if she had swum under the legs of my shorts. >> now that would hurt. coming up -- >> it actually stuck to my mask and my mask was coming off. >> a giant pacific octopus tries to crush a diver. >> i thought it was coming straight for him. >> a 600-pound marlin spears a young fisherman. >> oh, my, god. oh, my god. >> all of a sudden this great white shark about four meters came and grabbed me. >> a surfer battles two great whites when "caught on camera: into the deep" continues. in the nation, sometimes bad things happen. add brand new belongings from nationwide insurance and we'll replace stolen or destroyed items with brand-new versions. we put members first. join the nation. ♪ nationwide is on your side ♪