Nathan and Dave went spear fishing off the coast of Australia, and brought a camera to record the fun. But the fun quickly turned very serious when a great white shark started circling the two, separating them from their boat.
The today men were only equipped with a spear and knife each, and the stand off seemed to go on forever. Finally, they gave the shark a good warning poke that sent to beast off.
Only afterwards did the two realize how close they came to danger.