TV Guide for Now Tuesday 25 in Nat Geographic Wild

Mamba: Mambas are the fastest, longest venomous snakes in Africa. They strike fear into most, but are they really as terrifying as we think? (S1, ep 3) 7+.

Tune in for some of the scariest fangs in the land! Why are vipers so lethal and why should we protect them? 7+.

Charleston, South Carolina is renowned for its hospitality. But in 2013, its resident sharks weren't quite as welcoming. 12+.

Old Photos and a New Student: Airport workers reunite travellers with their missing items, including a collection of old photographs with their owners. (S1, ep 7) 7+.

From shrimps packing a punch with the force of a bullet to birds with lethal legs, these unlikely killers are some of Africa's most dangerous predators. 12+.

Casey returns to his wildlife hotspots as spring brings the animals back out. Meanwhile, in Montana, Brutus and the other creatures come out of hibernation. 7+.

All for One, and One for Pol: The staffers become the clients, while Dr Pol builds a special cast for an injured calf and Dr Lisa chases a pair of goats. 7+.

Dr Oakley gets more than she bargained for when she checks on a herd of reindeer. Plus, 2 foxes get their jabs and a moose's big belly gives cause for concern. 7+.