Dual Survival is an American reality cable television series aired on the Discovery Channel. The show features a pair of survival experts in challenging environments.For the first two seasons the show featured the differing outdoor survival philosophies and skills of Cody Lundin, a naturalist and primitive-skills expert who runs the Aboriginal Living Skills School in Arizona and Dave Canterbury, a military-trained survival instructor who runs the Pathfinder Training School in Ohio. Beginning with the third season, Canterbury was replaced with Joseph "Joe" Teti.