Buck and Toni and the Wild World of Buck Bray TV crew head to Yellowstone National Park to film an episode about its famous geysers and gray wolf restoration program. But soon after arriving, Buck narrowly escapes a bison stampede. Buck is almost certain the animals were agitated by an illegal drone. Who is behind it? Once Buck and Toni start to investigate, they find out that gray wolves are not the only top predator in Yellowstone.