Two African black rhinos lock horns in a frightening lovers' tiff. Rosie and Quinto take an instant dislike to each other and their keepers are forced to intervene.
Rafters the giraffe is hit by a life-threatening illness and his keeper is worried sick. And in the Chester Zoo reptile house, the vets get to grips with one of the world's largest snakes.
The torrential summer rain threatens to wipe out Chester Zoo's baby flamingos. Keepers have to act fast to try to avert disaster as parent birds squabble over the remains of their flooded nest sites.
Senior Keeper Darren Langford plays mum to a baby flamingo as the battle to save Chester Zoo's flood-hit flamingo colony continues. And Asha, the pregnant lioness, keeps everybody guessing.
Two VIPs - Very Important Pandas - take a bow at Chester Zoo. Two cubs have been born to a pair of beautiful but endangered Red Pandas and today it's time for their first medical check-ups.
The Head Keeper of Chester Zoo's Asian elephants, Mick Jones, turns matchmaker. He has the unenviable job of introducing female elephant Birma to Upali, the bull elephant - with dangerous consequences.
Head Keeper Chas Mackenzie has to intervene to stop bullying among Chester Zoo's antelopes. And there's a visit to the new £3.5 million Realm of the Red Ape to meet the orang-utans.
Layla the chimp gives the Chester Zoo vets the fright of their lives when a medical procedure turns out to be anything but routine. And Raman, the baby elephant, goes to nursery school.
It's trench warfare as the Chester Zoo keepers take on a colony of meerkats in an earth-moving contest. And it's feeding time for some real-life Paddington bears.
A peek behind the scenes at Chester Zoo to see the military-style operation that's required every day to feed the zoo's 7,000 exotic animals. And Sheba, the 51-year-old elephant, enjoys some TLC.
The long wait for lioness Asha to give birth at Chester Zoo is finally over. She presents Head Keeper Alan Woodward with two cubs - but all is not well.
The keepers and vets at Chester Zoo face some tough choices over the future of Asha's newly-born lion cubs. And is it the end of the road for Rafters the giraffe.
Chester Zoo Head Keeper Alan Woodward plays mum to two newly-born lion cubs. And Larry the lemur gives the zoo vets cause for concern.
Senior Keeper James Andrewes takes us behind the scenes of the largest bat cave in Europe. Chester Zoo's Twilight Zone is home to nearly 600 bats.
There's dramatic news about the lion cubs. And Chester Zoo's baby pandas come out to play.
All eyes are on Chester Zoo's newest arrival - a tiny lion cub that spells hope for the future of an endangered species. And the chimps line up to take their medicine.
Tejas the lion cub born at Chester Zoo, proves to be a demanding house guest for Head Keeper Alan Woodward. And there's a flurry of activity on Lemur Island.
Black rhinos Emma and Mugadi are paired up for the first time at Chester Zoo - but will they love.
Layla the Chimp has an update with vet Steve Unwin and Tejas the lion cub is sent to the vet centre for an x-ray.
Head Keeper Alan Woodward plots the future of Tejas, the rare Asiatic lion cub that he's hand reared at Chester Zoo.
Chester Zoo's two month old lion cub, Tejas, has deformed legs and can't walk properly. Vets fitted him with splints to try to correct the problem and today they discover whether the treatment has worke
Chester Zoo's star attraction, Asiatic lion cub Tejas, is still giving cause for concern. Vet James Chatterton comes to see if his crooked legs are on the mend. And the zoo welcomes the birth of an exotic new baby - a South American tapir.
There's a dramatic race against the clock to save Chester Zoo's ninety flamingos from the perils of freezing temperatures and hungry foxes. It's Head Keeper Wayne McLeod's worst nightmare. And Chester's new baby South American tapir joins mum.
Chester Zoo vet Steve Unwin must have his wits about him when he operates on two big, strong mandrills. These animals have razor sharp teeth and they have been known to fake being asleep. Also in this episode, it's playtime for the zoo's baby Red Pandas.
Head Keeper Mick Jones is moving four tonnes of earth to give his favourite elephant a comfy bed for the night. Sheba, the 51 year old matriarch of the Chester Zoo herd, hasn't been sleeping well so Mick is determined to do something to help.
Head Keeper Tim Rowlands thinks Loja, the female spectacled bear, might be pregnant. He and his team make a den for her - and she quickly makes herself at home. But is she really ready to start a family?
It's the mating season on Lemur Island - and Head Keeper Andy Lenihan needs eyes in the back of his head. And a red bird of paradise, one of only seven females in captivity in the world, is seriously ill. Can the zoo vets save her?
Zac, the South American tapir, goes into hospital to have an abscess removed from his chin. It's a worrying time for his keepers because the operation proves to be fraught with difficulty.
Chester's star attraction - Tejas, the three month old Asiatic lion cub - takes his first steps into the outside world. And in the zoo's Twilight Zone, the keepers have the spooky job of catching 150 bats.
Head Keeper Tim Rowlands is looking forward to a double celebration because two of Chester's female giraffes are pregnant and due to give birth soon. And Patna the rhino shows off his amazing dribbling skills.
There's drama at Chester Zoo's Asian elephant house when four-tonne bull elephant Upali takes a fancy to a young female. Head Keeper Mick Jones and his team have to keep a close watch in case the female is injured.
There's a dangerous liaison in the Chester Zoo reptile house when Komodo dragon Norman meets Nessie, a potential mate. The nerves are jangling for Head Keeper Isolde McGeorge because anything can happen.
A new baby giraffe is born at Chester Zoo. Head Keeper Tim Rowlands Tim will have his work cut out if he's to ensure the baby's survival. The female calf was born two weeks prematurely and is only half the size she should be.
Chester Zoo's new baby giraffe is struggling for survival and Head Keeper Tim Rowlands is forced into taking a tough decision about her future. And there's trouble in the zebra enclosure when a group of bachelor boys start fighting.
Chester Zoo starts preparing to say goodbye to Tejas the lion cub. He leaves soon for his new home in France. Alongside the cub's imminent departure, the keepers are preparing to welcome an exciting newcomer - a new rhino from Switzerland.
It's a big day at Chester Zoo with the long-awaited arrival of a new Indian rhino. Batschii has come from a zoo in Switzerland. Meanwhile, vet Steve Unwin is called to the giraffe house to see the zoo's new baby giraffe.
A family of seven ring-tailed lemurs are being sent to Siberia from Chester Zoo while the newly-arrived rhino makes herself at home. Meanwhile, Head Keeper Tim Rowlands is working night and day bottle feeding the baby giraffe.
It's a sad day at Chester Zoo as Tejas the Asiatic lion cub leaves for a new home in France. Head Keeper Alan will accompany Tejas on his 900-mile journey to Besancon Zoo in France to make sure he settles in with minimum stress.
Tejas, the Asiatic lion cub born at Chester Zoo, arrives at his new home in France. Head Keeper Alan Woodward was at his side on what proved to be a gruelling 900-mile journey that left its mark on Tejas.
It's an emotional day for Head Keeper Alan Woodward as he says goodbye to Tejas, the Asiatic lion cub he hand reared at Chester Zoo. Tejas is one of only nine Asiatic lion cubs in the whole of Europe.
Strolch is a spectacled bear and in a tragic twist of fate he's going blind. Zoo vets have called in an eye surgeon to see if anything can be done to restore his sight.
The world's smallest giraffe Baby Margaret is now eight weeks old and today she joins the rest of the herd on her first family outing and Chester's orang-utans go on a wrecking spree.
Sheba the elephant isn't getting her beauty sleep. The 52 year old matriarch of the Chester Zoo herd is being kept awake at night by the baby elephants. Head Keeper Mick Jones has a plan to help her.
Chester Zoo keepers hold their breath as a male and female Indian rhino come face to face for the very first time. Will it be love at first sight or will it end in violence? Vets deal with a dangerous patient - a mandrill monkey with razor sharp teeth.
Chester Zoo's millions of South American leafcutter ants escape - and attack the zoo's head vet. And the 30 chimps enjoy a breakfast special courtesy of Specialist Keeper Niall Ormerod.
Vet James Chatterton has the scary job of operating on one of Chester Zoo's big cats and the penguin keepers have their hands full as the babies outgrow their nest boxes.
Vet James Chatterton does a check-up on one of the zoo's largest bats after it accidentally crash lands. The young black rhinos, continue their clumsy courtship, and a newborn oryx learns the tricky art of standing up.
It's a big day for Chester Zoo as two new cheetahs arrive, the first at the zoo for some years, a rare and precious Babirusa piglet wins a new admirer, and the baby ring-tailed lemurs learn some harsh lessons about life.
The keepers are thrilled to see Sibu the orang-utan return to Chester Zoo after several years away at other zoos. Head Keeper Mick discovers great news about Sheba, the elderly elephant, but tiny, premature giraffe calf is very poorly.
Zoo vet Steve Unwin has to be extremely careful about his own safety when he uses a powerful anaesthetic on Mac the zebra and new cheetahs explore their enclosure, making a fantastic sight for keepers and visitors alike.
Today at Chester Zoo, the eye surgeon prepares for an operation on Strolch, the spectacled bear who's going blind. There's some fun for two Bengal tigers, and Margaret, the tiny giraffe calf, has her keepers scratching their heads.
At Chester Zoo, the operation gets underway on Strolch, the spectacled bear who's going blind. Jaguars Salvador and Sofia are re-united after a long separation, and a male spider monkey who's arrived from Paris tries his charm on the other monkeys.
At Chester Zoo, there's excitement at the African black rhino house because Kitani is expecting the zoo's first rhino calf for a decade. Also, the chimps squabble over a treat, and Head Keeper Mike Crumpler has to be wary dealing with three baby stingrays.
It's May Bank Holiday at Chester Zoo, and unseasonal weather creates problems at Flamingo Lagoon. The Senior Keeper uses cunning to make Strolch the bear take his medicine, and Norman the komodo dragon goes on a dinner date with a new girlfriend.
Isobel, a very rare deer, needs orthopaedic surgery to fix a broken leg. The weather causes yet more headaches at Flamingo Lagoon, and Kitani the pregnant African black rhino faces some changes to her usual routine.
It's a momentous day at Chester Zoo as the eye surgeon assesses whether Strolch, the spectacled bear that was going blind, will regain any sight. There's good news about Sheba, the elderly elephant, and the mandrills go to work on a gigantic egg.
Margaret the giraffe calf causes a stir when she rejoins the herd after her illness. A rare macaw departs for a new life abroad, but it's Registrar Penny who hits the language barrier. Also, the keepers struggle to catch twenty bats.
A rare crocodile displays bad manners and a bad temper when he's moved to his new enclosure. A high-tech toy for the cheetahs has Head Keeper Alan baffled, and the jaguars tuck into some stinking ice lollies.
It's a stressful day for the keepers and vets at Chester Zoo. Samara, a fourteen foot tall giraffe, must be anaesthetised for an operation. Getting her to the floor, and back on her feet safely afterwards, calls for a huge team and great expertise.
Head Keeper Alan gets news about Tejas, the lion cub he hand-reared. Fourteen foot tall giraffe Samara is loaded into a trailer for the journey to her new home, and the rhino team prepare for the birth of Kitani's baby.
Baby lemurs settle into their new home and eye surgeon Guy Clare tries to stop Strolch the South American bear from going blind.
Baby giraffe Margaret woos the crowd at Chester Zoo when she sets off on a family outing, and the renovation of one of the enclosures looks set to be thwarted by the orang-utans.
Head keeper Mick Jones tries to solve Sheba the elephant's sleeping problem. The matriarch of the Chester herd has not been resting properly, so efforts are made to provide her with a comfortable bed for the night.
Two Indian rhinos meet for the first time, and vets Steve Unwin and James Chatterton attend to Junior the mandrill, who needs a check-up before he moves to his new home in Russia.
Head vet Stephanie Sanderson is attacked by a legion of escaped South American leafcutter ants, and keeper Niall Ormerod cooks up a breakfast treat for 30 hungry chimpanzees.
Operating on one of Chester Zoo's big cats is not a straightforward task for vet James Chatterton, and the penguin keepers have to find new homes for the infant birds when they outgrow their nesting boxes.
James Chatterton gives a check-up to a giant bat hurt in a nasty flying accident. Meanwhile, Black Rhinos Ema and Magardi continue their clumsy courtship.
Two new cheetahs arrive at Chester Zoo and a rare barbirusa piglet gains an admirer.
The keepers are thrilled when Sibu the orang-utan returns to the wildlife park after a number of years away, but the event is tainted with sadness when Margaret the baby giraffe falls ill.
Vet Steve Unwin needs to operate on Mac the Zebra, but first has to administer anaesthetic. Meanwhile, the cheetahs explore their new home, much to the amusement of both keepers and visitors.
Strolch the bespectacled bear faces pioneering surgery on his eyes, without which he would lose his sight, and infant giraffe Margaret surprises her keepers.
Bespectacled bear Strolch goes under the knife, and jaguar couple Salvador and Sofia are reunited after a prolonged separation. Meanwhile, a spider monkey arrives from France.
Excitement sweeps Chester Zoo when Kitani the black rhino is found to be pregnant, and the cheeky chimpanzees give a display of bad manners when squabbling over a treat. Head keeper Mike Crumpler has to be careful when handling three baby stingrays.
The flamingos suffer due to unseasonable weather over May Bank Holiday weekend. It takes a cunning plan for keeper Belinda Porter to persuade Strolch the bespectacled bear to take his medicine, and Norman the Komodo dragon has a dinner date.
The keepers are forced to shake up Kitani the rhino's daily routine when she becomes pregnant. An orthopaedic surgeon is called in to examine Isobel the deer's broken leg, and the weather continues to wreak havoc at the flamingo pen.
The moment of truth arrives for Strolch, as the bespectacled bear finds out whether the pioneering eye surgery has restored his vision. There is also good news regarding Sheba the elderly elephant.
Baby giraffe Margaret returns to the herd after an illness, a rare macaw leaves Chester Zoo for a new life abroad and the keepers encounter difficulties when they try to catch a colony of bats.
A crocodile becomes agitated when it is transferred to a different compound, and the cheetahs receive a new toy. Meanwhile, the jaguars tuck into an ice-lolly feast.
Samara the 14ft giraffe goes under general anaesthetic, meaning a massive team effort is required to lower her gently to the ground and raise her back up onto her feet.
Chester Zoo's head keeper receives news about Tejas, the lion cub he reared by hand. Samara the giraffe is loaded into a trailer for the journey to her new home, and the rhino team anxiously awaits the birth of Kitani's baby.
When a cheetah cub is born unexpectedly, Zoo Director Anthony Tropeano has to step in to save its life. The newborn requires round the clock care and Anthony knows he's going to be in for some sleepless nights.
It's vet day at Colchester Zoo and Zoo Director Anthony Tropeano has concerns for the newborn cheetah cub he's hand rearing. Vet John gives some medical advice before attending to Jasmine, a harbour seal with an infected eye.
Today there's sadness at the zoo when rare African Hunting Dog Depti leaves to begin a new life overseas. The team have a challenge on their hands when they get to grips with a giant anteater and Katavi the newborn cheetah cub has her claws trimmed.
After ousting a mob of mongoose from Sputnik, the mangabey monkey's enclosure, he turns his attention on his own troop, leaving the keepers to pick up the pieces. At the Siberian Leopard house the team's attempts to listen to a leopard's heart.
Colchester zoo is hoping that white rhino Cynthia will be the first rhino in the UK to have a baby via artificial insemination. Today, male rhino Simba plays his part in the process but there's drama when he fails to recover from his anaesthetic.
Today the meerkats start the day with boiled eggs for breakfast and the keepers join Babyface the harbour Seal in his pool when an underwater filter becomes blocked. Keeper Kelly discovers that Tallulah the Timber Wolf has given birth to six cubs.
Today we catch up with Katavi the hand reared cheetah cub as he takes his first steps outdoors. Elsewhere new arrival Century the giraffe faces his biggest challenge yet when he comes face to face with Colchester's rhinos for the very first time.
We join Senior Keeper Richard as he attempts an unusual experiment involving a melon, a tea bag and around eight million ants. Elsewhere, new arrival Century the giraffe is unveiled to the waiting public.
It's crunch time at the rhino house. After months of hard work the team finally discovers whether white rhino Cynthia is pregnant. If she is, Colchester Zoo could be celebrating the first rhino in the UK born through artificial insemination.
Chaos the reindeer arrives and has never been handled before so proves quite a challenge. We also catch up with rare Amur tigers and we find out what happens when hand reared cheetahs come face to face with Zoo Director dogs.
When a giant African Spurred Tortoise develops a leg problem there is no option but to operate. Elsewhere Katavi the hand reared cheetah cub accompanies Zoo Director Anthony to work and the elephants are treated to a jumbo ice lolly!
The keepers face an emergency when a rare cat has a seizure, it's training day with some particularly snappy crocodiles and Colchester's cheetahs get to play with a highly unusual ball of wool!
An army of keepers are required to vaccinate an entire section of the zoo but it won't be easy. Weighing in at twelve stone and packed full of attitude Merlin the Rocky Mountain Goat will do all he can to avoid the needle.
It's a busy day at the sea lion pool as there is a brand new display for the summer season. There's only one problem the sea lions are determined to sabotage the rehearsals. In the office Katavi, the hand reared cheetah cub has to get shots.
It's an exciting day at Colchester's famous aardvark burrow as the keepers suspect a baby might be on the way. At the mandrill enclosure the veterinary team are called in when troop leader Dume develops a bad tooth.
Zoo Curator Sarah has the job of feeding hand reared cheetah cub Katavi, there's drama when the team try to catch a poorly penguin and at the reindeer enclosure a new arrival gives everyone a work out.
There's an emergency when Piora the tamarind escapes. Elsewhere the team step in to save a sick crowned crane chick and there's an unusual naming ceremony for one of the zoo's cutest new arrivals.
When the team are tasked with moving some squirrel monkeys into a new enclosure a shocking attack leads to a dash for the animal hospital. At the giraffe house new arrival Century gets measured.
Today Zola the African elephant rejoins the females after eight months apart. At the Orang-Utan house the team prepare for a life or death procedure and an upsetting discovery leaves big questions over the future of hand reared cheetah cub, Katavi.
There's drama when the team anaesthetise Rajang the Orang Utan to move him to his new home. Elsewhere there's exciting news at the aardvark house with the promise of a new baby while at the vets hand reared cheetah cub has x-rays to decide her future.