Episode 4 "Columbia River Sturgeon"
Charlie takes his underwater camera to Castlegar, BC and tests how scent is a powerful attractant for Sturgeon. Dramatic underwater footage shows for the first time how prehistoric sturgeon follow scent trails to find food.

Charlie White's Fishing Machine chronicles Charlie's pioneering research filming underwater strike behaviour of fish across the BC coast and around the world. Although released over three decades ago the knowledge and fascinating footage about how salmon and various other species strike lures is unparalleled. A true legend and leader of the sport fishing industry.