NatGeoWild HD They might look ancient but, when it comes to killing, reptiles are just like their dinosaur ancestors - deadly. 2026-04-28 Armed with mortal venom or a suffocating embrace, snakes are up there with Earth's most lethal creatures. One bite from a Gaboon viper can kill an elephant - quickly. (S1, ep 3) 7+. 2026-04-28 As the Alaskans evolve, adapt and innovate, Chris and Jessi struggle to find a new fishing area to source winter protein. (S3, ep 7) 7+. 2026-04-28 When a mountain blizzard causes a double accident, Bjoern is forced to call his rivals for help. (S7, ep 5) 7+. 2026-04-28 Neo's future is thrown into the balance when his mother is seriously injured. Meanwhile, the vengeful northern queens suffer a cruel blow to their growing pride. (2 of. 2026-04-28 Check out some of the most brutal and surprising battles in nature - ones where size doesn't matter, and no victory is guaranteed. 2026-04-29