Stream How Weed Won the West Online Free – Watch Full Movie from Home at 123Movies. . While California is going bankrupt, one business is booming. "How Weed Won the West" is the story of the growing medical cannabis / marijuana industry in the greater Los Angeles area, with over 700 dispensaries doling out the buds. As a treatment for a wide range of conditions, cannabis is quickly proving itself as a healthier natural alternative to many prescription drugs.