This episode features the birth of Africa's most endangered cat. If the cameras can capture this incredible moment, it would be the first time the keepers have ever seen a live cheetah birth. Jean Johansson helps to settle in a gaggle of new penguins, but will they make a splash with the rest of the colony? Meanwhile, one of Africa's largest antelopes checks into the park, but at just a quarter of the size of his predecessor bull, the keepers are on tenterhooks as he meets his new, much larger lady friends for the first time.

This episode focuses on some of the planet's most endangered species and joins the keepers striving to save them. The carnivore team spend a gruelling 24 hours trying desperately to keep alive a precious cheetah cub born just 36 hours before. What will the keepers do as they face a life-and-death situation when they reunite this cub with mum Wilma? Jean Johansson has her hands full when she helps with the weigh-in of the cutest newborn baby meerkats, and using a macro lens she gets closer than ever before to a very special breed of seahorse. Meanwhile, can the park stop the desertas wolf spider from being wiped out forever?

celebrating the life of Nico, the legendary western lowland silverback gorilla who recently died at an extraordinary 56 years old. Nico arrived at Longleat almost 30 years ago, and the programme hears from the keepers who looked after him for every day of his life at the park. We also reveal the story of his life before Gorilla Island as the team uncovers information charting a global shift in wildlife conservation. There is also a tribute to the powerful bonds formed between keepers and animals around the park. Tina tries to help a mammoth moose under attack from some pesky birds, while James gets stuck into the stinkiest poop on the park in a bid to stop his mischievous meerkats from escaping. Finally, the programme discovers how Nico's death affected thousands of visitors, all moved by their own encounters with him.

The team of specialist vets are tested more than ever as two lemurs are rushed to the surgery with shocking injuries. Will the vets be able to save their tiny hands? And will Maurice and Angelo ever be reunited with their group? Over in the carnivore section the team have cooked up a cunning plan to challenge their ferocious lions' excellent sense of smell, but how will Vlad the warthog feel about this proposal? And will the lions really sniff out their dinner down under? Meanwhile, Jean Johansson serves up some ice lollies to a bloodthirsty animal of another kind and takes a ringside seat when fight night kicks off for two cave crickets.

Across the park, another team rush to the aid of Steph, the oldest Grant's zebra, who is being violently bullied by the rest of the herd. Meanwhile, there is a thief on the loose in family farmyard, so Jean Johansson tries to convince a greedy billy goat to get exercising.

The wallaby team are faced with a life-and-death decision when mum Zero is clearly too ill to care for her tiny joey. But can this extremely fragile newborn survive? The carnivore team need their pair of European wolves to breed, but how do you get wolves in the mood for love? And can the cameras capture them mating and give the keepers the reassurance they need that the wolves are a successful match? Anne the elephant makes friends with some notoriously greedy grazers. Jean Johansson welcomes a new enormous European elk to the park, but can they convince her to step off the truck? And Kate finds out which aquatic animal is the fussiest on the park.

Keeper Caleb challenges award-winning wildlife photographer Will Burrard-Lucas to capture a 'prey's-eye-view' of his lions and tigers. But can Will's remote-control buggy camera survive some of the planet's most ferocious predators? Arabella the binturong isn't eating and no-one knows why - can the vets get to the root of this mysterious animal's ailment before it is too late? Ben tries to win over a parrot whose beak is still out of joint from his visit last year, while Jean Johansson gets closer than ever before to the world's largest snail and meets a surprising predator.

The gorilla team are forced to call in the vets for Alfie when it seems an abscess could signify something more sinister. But how do you sedate a 150kg gorilla? And what do you do when he struggles to come around from the anaesthetic? Tragedy strikes Penguin Island once again as a chick is orphaned and then forced to overcome a life-changing disability. Meanwhile, Jean Johansson finds out just how much the baby meerkats have grown when she tries to catch them. Jean also helps to feed the hand-reared wallaby joey and finds out why climbing a tree won't save you from a lion

The carnivore crew call on teams from across the park to help come up with an invention to challenge the intelligence of their lions. But will their creation get the lions working together as a team, or has Caleb overestimated the capability of his big cats? Keeper Matt is still playing parent to the cheetah cub, but can he teach her the vital skills she needs to become earth's fastest predator? Meanwhile, Jean Johansson meets the park's most infamous escape artist and sets some pretty cute predators an underwater brainteaser.

Earlier in the series, the programme celebrated the life of legendary silverback gorilla Nico, who passed away at the beginning of the year. Now Mark and Lauren travel to Germany and Spain to meet the two young male gorillas they hope will join their bachelor group in Wiltshire. But how do you make friends with a gorilla? And, crucially, will these youngsters fit in with the park's three brothers? It's keeper versus wallaby when 20 of these most athletic animals must be moved to a new enclosure, but how do you catch a wallaby who can clear your head in just one hop? A team of 30 mobilise to find out. Award-winning photographer Will Burrard-Lucas is back, but how will his remote-control buggy fair against Africa's armoured giants, the white rhino? Meanwhile, Jean Johansson feeds the endangered Rothschild giraffe due to give birth, but will the park get the long awaited girl they're hoping for?

The pair of endangered Amur tigers are part of a vital global breeding programme, so it’s essential they produce cubs to help ensure the survival of their species. But, this is the mother of all blind dates, this hopeful love match have never met, so the big question is … will it be love or war when two of earth’s most ferocious predators meet for the very first time? Also, it’s a world first for an osteopath who treats Alfie the gorilla for an injury endured play fighting with his silverback brother – but, how do you get your healing hands on a 150kg gorilla thought to have 10 times your strength?! And it’s all hands on deck as Jean Johannsson helps move a whole host of sun worshipping reptiles outside to catch some rays before finding out how far a binturong will climb for a frozen banana. Meanwhile, the Jungle Kingdom keepers step in to save a viciously bullied meerkat, but will their rescue attempt work?

A bromance between two young giraffe calves takes a dark turn when over grooming leads to life-threatening blood clot. The vets are forced to step in, but will little Shrimp survive the anaesthetic that one in ten giraffes never come around from? Kevin the secretary bird awaits the arrival of his new lady friend, but will these birds flock together or will feathers fly? Jean Johannsson helps to give one of the park’s legendary rock stars a manicure and Penguin keeper Kel turns detective when an egg is found smashed at the bottom of the pool, the culprit’s unknown, but a bolshie new arrival is the prime suspect.

Two new gorillas arrive in the park. But how will these adolescent boys fair leaving their family groups for the very first time, and will they be accepted into the group?

Today, we explore the impact of alpha animals around the park, kicking off with the arrival of a hot new zebra stallion. But, will he be able to tame an unruly herd of eight fiercely territorial females? And what will towering giraffe bull, Thorn make of this new stud stepping onto his turf? The cheetah family face yet more turmoil as the whole breeding group looks to be in jeopardy now the life of Dad, Carl hangs in the balance. A suspicious lump on his leg needs to be investigated, but with Carl’s life-expectancy nearing its latter days an anaesthetic comes with great risk. Kate gets a salty slobbering from Buster the sea lion and the lions face their mortal enemy as Jean and Caleb give them a true call of the wild.

Today, there’s huge excitement amongst the carnivore team as it seems the European wolves, captured mating earlier in the series, have given birth to pups! But, wolves are notoriously secretive so keeping an eye on these new arrivals is far from easy. When first time Dad, Django oversteps his parenting role the keepers have no way of knowing if an injured pup has survived. Ben joins the team as it takes an extremely rare opportunity to enter the wolves’ den to check the health of their new brood. Meanwhile, the hoofstock team are on a mission to toughen up their Wiltshire raised giraffe by introducing a thorny feeder inspired by a trip to Africa, but will these gentle giants be spooked by this new invention? While Jean Johansson helps to get Newt the abandoned wallaby joey working out before a spot of weight training with a pair of cotton topped tamarins.