National Geographic WILD HD Tomorrow

Animals that live among the world's tallest trees on the Californian coast, including woodrats building nests in the highest branches and ancient fish in the surrounding waters

The vets must solve a medical mystery to save a mandrill, and discover why an anaconda has not eaten in months. The keepers must catch a goat that needs a trip to the dentist

The truth behind urban animal encounters. Soon, two-thirds of the global population will be living in cities, leaving wild animals to develop a whole new set of street smarts

Danger is everywhere for those living among Africa's deadliest. The speedy few escape their fate on foot, while others must rely on a different strategy

A horse with colic calls Dr Emily 30 miles from the clinic, a cow struggles to get onto its feet, and Charles plans a surprise for his parents' 50th wedding anniversary

A stationary train is causing delays at Christmas, the Safety & Service team is busy with one incident after another, and a snowstorm brings the station to a complete standstill

A look at how some of Africa's largest and seemingly peaceful plant-eaters turn the tables on apex predators to defend themselves and their herds

After weeks of searching, photographer Ronan Donovan attempts to get up close and personal with a family of wolves fighting to survive in the High Arctic

The staff anxiously awaits the zoo's first giraffe birth in more than 20 years. A keeper struggles to round up a group of rowdy penguins for an annual medical exam

Two elephants go on a date, a pony makes a bride's dreams come true, tiny turtles hatch at the beach and a gorilla battles ill health

Michelle saves a bear from drowning, then has to flee for her life from it. A reindeer develops a condition that stops it from eating, and a newborn calf suffers from salmonella

A bonobo gives her vets an anaesthesia scare, while a deaf silverback gorilla receives some much-needed dental care

First-hand accounts of people who believe dolphins and whales saved them from a potentially fatal shark attack

Marine biologist Ryan Johnson investigates strategic attacks by great white sharks on humpback whales, tracking a whale migration to study this new pattern of behaviour

How a nuclear missile exploded in its silo, and why the ferry Estonia's sinking was the worst European maritime disaster since the Titanic

As temperatures plunge, Margot looks to her dogs to help her seriously raise her wood-harvesting game

Documentary investigating creatures whose sharp sense of hearing and enhanced night-vision turns them into successful nocturnal predators, including leopards and Tasmanian devils

Simon makes a gruesome discovery in a shipping container after workers stumble on a black mamba. An office goes into lockdown when staff spot a green snake

A vet school graduate joins Dr Pol's team, but the pressure is on from her first day

After seeing the devastation caused by Australian wildfires, Dr Oakley heads Down Under to assist in any way she can

As the indigenous peoples of Alaska face a changing and unforgiving climate, they turn to the values of the past as a guide to their future