don't invest in a mattress until you you find your sleep number setting. only at the sleep number store. sleep number, comfort individualized. a myth centuries old. >> bigfoot appears out of the bushes and makes the long striding steps. >> and the iconic film that became part of the legend. >> this was the most amazing thing to happen in almost the history of the world. >> october 20, 1967. the pacific northwest. roger patterson is deep in the woods with his 16 millimeter camera. >> roger was a bigfoot buff and announced he was going to go out and film bigfoot. >> known as bigfoot in north america, yeti in asia, and sasquatch in canada, it's been