Nat Geo Wild Schedule, Today (United Kingdom)

Predators On The Prowl: Park director Ed closes in on an nine-foot crocodile known as Houdini. Meanwhile, an escapee bear with a nasty injury places the staff on high alert. (S2, ep 5)

Arms Race: On Botswana's grasslands, life is a constant fight for a survival. Weapons and tactics are everything and there's no space for second best. (S4, ep 3)

Alaska Calling: Dr Oakley helps a sled dog that's had a nasty run-in with a porcupine. Reindeer, black bears and a wolverine are in need of her attention, too. (1 of 3)

Waking the Dragon: 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)

Flip the Pig: Dr Oakley learns how to flip a potbelly big, removes overgrown antlers from a reindeer and treats a dog's frostbitten paw. All ages.

Teleshopping.

Bee Bomb: Follow staff at the Billy Swamp Safari, as they hunt escaped crocodiles, catch rattlesnakes and chase raccoons in a battle to keep the Florida park safe for visitors.

Margin of Terror: As the world's deadliest predators meet in battle, one misjudged move could mean the difference between life and death. (S5, ep 4)

Kalahari: Head to the Kalahari Desert. A land of great thirst, its creatures have evolved to survive with little water. But when the summer rains come, life explodes. (S1, ep 6)

Shock & Awe: From heroic acts of bravery to narrow escapes and near misses, witness the unexpected encounters and extraordinary survival feats of the animal kingdom. (2 of 6)

Liter-Ally Puppies: Dr Nicole tends to her old beloved beagle and it's all hands-on-deck for a litter of 11 puppies. U. (S12, ep 9)

No Pot to Pee in: Join Dr Oakley as she treats a miracle moose, a Doberman puppy that was hit by a car and an unusually tiny patient. 12+. (S8, ep 22)

Discover a side to sharks you've never seen before and take a deep dive, from the sunny beach to the 8000-foot abyss, to see how extreme adaptation is critical to survival.

There is a battle going on at the top of the food chain. In New Zealand waters, sharks are going from the hunters to the hunted.

A Cheetah's Greatest Race: A cheetah fights for its life against a mysterious and debilitating illness, and an elephant is artificially inseminated. RATING: AA (S3, ep 1)

Make the Grade: Legendary father figures from Hard Merchandise and Moonshine pass down their knowledge to knock down Time Flies and Dot Com. U. (S11, ep 13)

There's a Snake in the Fridge!: It's mamba season and these deadly snakes are playing hard-to-get in trees, boxes and even a fridge. Simon risks his life to save them. 12+. (S6, ep 3)

Silly Filly: The team treat a bull's limp, a cat's oozing lump, a musk ox's walking difficulties and a horse whose strong-willed filly is causing trouble. U. (S11, ep 17)

Swamps: The vast wetlands of Africa are a refuge and lifeline to many animals, but these swamps hide dark and dangerous secrets... All ages. (S7, ep 1)

You can see them from distances of up to 30 km - like a mumbling, bubbling volcano, ready to erupt, a glowing cloud rises from the earth. RATING: AA

Back With a Vengeance: After his heart procedure, Marciano returns to the water with a vengeance. U. (S12, ep 15)

The Challenge: Alaska's unforgiving winter shows no letting up, and Alaskans of all ages must fight to survive its harsh elements. RATING: NU12 (S2, ep 10)