Desc: Bigfoot: America's Abominable Snowman: With John Russell Napier, Roger Patterson, Ivan Sanderson. Bigfoot: America's Abominable Snowman focuses on the legend of Bigfoot/Sasquatch throughout North America. Dr. John Napier acts as host and analyst of the evidence presented in the documentary, including Roger Patterson's famous October 1967 film allegedly showing a Bigfoot in Northern California (Bluff Creek). Numerous eyewitness testimonies are given along with expert opinions on the subject matter.