Oloborr emerges as the leader of a pride which mainly relies on buffalo for food; as it faces obstacles in establishing dominance, tensions arise within the group.

Devastating mudflows flatten the Californian coastal community of Montecito; a sudden flash flood sweeps up an inexperienced kayaker in South Africa.

Jeremy searches in Alaska for an animal that could overpower an unsuspecting fisherman. Is there something in the river that fits the bill, or are large and surprisingly cold-water sharks to blame?

Gary, Shannon, Callie and Damon try to catch a ten-foot alligator in a muddy mess, and there is one big problem near a local golf course when a gator gets stuck near a busy street.

Scientists are uncovering new truths about cats using tech like tracking collars; from cheetahs' agility to Iberian lynx recovery, groundbreaking research and conservation offer hope for wild cats.

Fiji is better known for its idyllic beaches, but Jeremy is on the trail of a body-slamming beast that leaves disturbing marks on its adult victims - and discovers two underwater assailants.

To ensure their survival for the upcoming winter, Alaskans must head out into the fray. From scouting for resources in sub-zero temperatures to hiking the countryside in search of food.

Eastern Poland is one of Europe's last wild regions; the Biebrza lowlands make up the biggest national park in Poland and are of the utmost value for beavers, otters and countless aquatic birds.

From urchins to turtles and from corals to sharks, reefs sustain a myriad of creatures equipped with special adaptations to thrive in their niche.

To ensure their survival for the upcoming winter, Alaskans must head out into the fray. From scouting for resources in sub-zero temperatures to hiking the countryside in search of food.

A bomb cyclone detonates across northeast America, snaring an elderly Michigan couple in a mass freeway pile-up. A hiker loses her nerve high on Ben Nevis.

Fiji is better known for its idyllic beaches, but Jeremy is on the trail of a body-slamming beast that leaves disturbing marks on its adult victims - and discovers two underwater assailants.

To ensure their survival for the upcoming winter, Alaskans must head out into the fray. From scouting for resources in sub-zero temperatures to hiking the countryside in search of food.

This documentary portrays the non-traditional and one-of-a-kind breeding of horses in natural conditions on the Muránska plateau in Slovakia as we follow the people taking care of them.

Scientists are uncovering new truths about cats using tech like tracking collars; from cheetahs' agility to Iberian lynx recovery, groundbreaking research and conservation offer hope for wild cats.

From Canada's waterlogged wilderness comes unbelievable stories of a twenty-foot monster that attacks humans. Investigation turns into obsession as Jeremy tries to explain the widespread accounts.

The Alaskans struggle to accomplish their tasks. For Glenn and Andy, freezing temperatures and thick ice mean increased difficulties for trapping. Jessie's sled dog race is complicated by snowfall.

Slovenia boasts a stunning variety of natural monuments, scenic landscapes and wildlife; the country has also been given top spot in a United Nations list of the most sustainable national lifestyles.

From urchins to turtles and from corals to sharks, reefs sustain a myriad of creatures equipped with special adaptations to thrive in their niche.

The Alaskans struggle to accomplish their tasks. For Glenn and Andy, freezing temperatures and thick ice mean increased difficulties for trapping. Jessie's sled dog race is complicated by snowfall.

A bomb cyclone detonates across northeast America, snaring an elderly Michigan couple in a mass freeway pile-up. A hiker loses her nerve high on Ben Nevis.

From Canada's waterlogged wilderness comes unbelievable stories of a twenty-foot monster that attacks humans. Investigation turns into obsession as Jeremy tries to explain the widespread accounts.

This documentary portrays the non-traditional and one-of-a-kind breeding of horses in natural conditions on the Muránska plateau in Slovakia as we follow the people taking care of them.