Nat Geo Wild

Pol-Ar Express: An ice storm shuts down the clinic, but when treacherous weather leaves injured animals in its wake, Dr Pol and his team rush to the rescue. U.

African animals take centre stage as the zoo welcomes its first female giraffe, elephants are put to the test and a new rhino calf is born.

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+.

Take a look at deadly creatures that inhabit Earth's largest continent, from Asiatic black bears to lethal king cobras.

It's Halloween and the cases this week take on a particular wacky and wild side, from attacked pigs to mischievous dogs and a horse hit by a car.

The doctors at Critter Fixer operate on an Eel and perform a snake c-section. (S5, 1/12) 7+.

Cameras track a snow leopard as it fights to keep its kill from an unrelenting red fox, and chart the lives of the last surviving Asiatic lions of Gir. (1 of 2) 7+.

Cameras embark on a quest to uncover the secret lives of India's small cats, including the rare clouded leopard. (2 of 2) 7+.

Penguin couple Tinkerbell and Loki prepare for the arrival of their hatchlings, while Pepper the penguin can't stay away from her new beau.

Dr Oakley meets a mutt with a problem, a parade of parrots and a tiny owl. The team head into the French Alps to learn more about its native ibex. (S6, ep 3) 7+.

Dr Oakley heads to Sweden to bone up on brown bears. A dog suffers from phantom limb pain, a hawk gets a pedicure and a box turtle reveals a surprise.

The zoo's penguin colony gets annual exams, and the staff holds its collective breath as a rare pangolin pregnancy unfolds at the Columbus Zoo. (S3, ep 8) 7+.

The wild dogs pick a replacement for their murdered leader. The exiled pride fight to protect their cubs and the marauding hyenas commit the cruellest of acts.

Mmamotse has turned the kingdom upside down but her legacy now depends on a princess taking the throne. Dikeledi prepares her cheetah cubs to cross enemy territory. (S3, ep 4) 7+.

Experts search for clues to explain a spike of three bizarre and bloody shark encounters that occurred in Hawaii's Molokai Channel in 2019.

Check out the fascinating habitats of the Everglades and the many ecosystems that make up the Pacific Northwest's sprawling Olympic National Park. (4 of.