rodeo cowboy roger patterson is deep in the woods with his 16-millimeter camera. >> roger was a bigfootuff and had announced he was going to go out and film bigfoot. >> known as bigfoot in north america, yeti in asia, and sasquatch in canada, the infamous creature has reportedly been spotted all over the world. yet physical and photographic evidence of the beast is scarce until this film becomes a worldwide sensation. >> you're seeing in the patterson film bigfoot shows up on cue. the creature is walking along a creek bed, making what i think are exaggerated steps, exaggerated gait, turns, looks at the camera, and is gone. the patterson film was put out as here's the proof, here's proof that bigfoot exists. >> the film awes bigfoot believers and fascinates nonbelievers like joe nichol. >> the believers were prepared to believe it, no matter what it showed. they were going to believe it. and skeptics would be very dubious about it. >> perhaps nobody is as dubious as this man and for good reason. >> i'm sitting in my living room at home watching television and the announcer comes on telli