Kendari the babirusa is pregnant, but otters Wallace and Annie keep throwing stones at her house. Next door, orangutan Willie struggles to impress females Sarikei and Leia. (S2 Ep2/6) [AD,S]
When young male tortoise Football muscles in on 71-year-old Bert's harem of females, the Chester Zoo keepers introduce two Swedish female tortoises to the group. (S2 Ep3/6) [AD,S]
Oana the anoa and capybara Lochley give birth. Tiger mum Kirana's sons are moved to other zoos to start their own families. Young monkey Rocky won't heed his mum's life lessons. (S2 Ep4/6) [AD,S]
Four of Chester's orangutans vanish. The dominant female meerkat is challenged by her daughter. And can bull elephant Aung Bo help provide a baby to keep young Nandita company? (S2 Ep5/6) [AD,S]
Pedro the giant anteater faces a major operation. Can mantis Bruce survive mating with deadly Natasha? And rhino couple Beni and Asha are reunited after four years apart. (S3 Ep1/7) [AD,S]
At Chester Zoo, a giant otter's hogging all the food. A turtle's gone off his dinner due to a belly full of gravel. And a red river hog bullied by her sisters needs to fight back. (S10 Ep2) [AD,S]
The arrival of a new female chimp causes upheaval at the zoo. Cheetah mum Kinky Tail is on the operating table. And the meerkats steal the porcupines' food. [S,W]
An orangutan is separated from his mum because of a life-threatening infection. In the zoo's aquarium, a breeding phenomenon plays out as a male cardinal fish gives birth.
The arrival of a new female chimp causes upheaval at the zoo, baby otter Bo goes missing, cheetah mum Kinky Tail is on the operating table, and the meerkats steal the porcupines' food. [AD,S]
At Chester Zoo, a Malayan tapir is eating for two. A hyacinth macaw called James Bond loses his mate. And the head of Chester's Asian elephant herd is feeling her age. (S10 Ep1) [AD,S]
Memorable moments from Chester Zoo. A pair of Malayan sun bears need help with mating. And an elderly chameleon gets a new lease of life when he's matched up with a pair of lively females. [S]
Memorable moments from Chester Zoo. Baby elephant Indali receives cutting-edge treatment for a deadly virus. Caiman lizard Gary keeps diving into an empty pool. Plus: camels, and clownfish. [S]
A look at some memorable moments of animals behaving badly at Chester Zoo. The chimps are up to no good. Two noisy otters are in for a shock when they're re-housed alongside the orangutans. [S]
A look at some memorable new families, from new arrivals for a rare species of horse, to a couple of squabbling red pandas, and a breeding phenomenon in Chester Zoo's aquarium.
As two rat snakes meet for the first time, will they mate or will the male eat the female for his dinner? And orangutan Tombol is parted from his sick mum, who may not make it. (S10 Ep6) [AD,S]
Vila the chimp makes a bid for the job of top female but gets hurt in a fight with rival Alice. And Chester Zoo's super-rare pink pigeons need to stop arguing and start mating. (S10 Ep5)
Chester Zoo's crocodiles need a blood test. But who wants to stick a needle in one of the world's most dangerous reptiles? And a giant rat called George has a bad tummy ache. (S10 Ep4) [AD,S]
Chester Zoo's dominant lion is having a crisis of confidence. There's been a bloodbath among the vampire crabs. And Andean bear Bernie has been chucked out of the family paddock. (S10 Ep3) [AD,S]
A look back at some memorable moments with the animals of Chester Zoo, including chimps in a power struggle, a tearaway giraffe, and a senior tortoise in the grip of a midlife crisis. [AD,S]
At Chester Zoo, a giant otter's hogging all the food. A turtle's gone off his dinner due to a belly full of gravel. And a red river hog bullied by her sisters needs to fight back. (S10 Ep2) [AD,S]
Golden poison frog Pablo has lost interest in his partner Maria, so bad boy El Loco is brought in to shake things up. Baby porcupine Marion faces the meerkat mob. Plus: chimps. (S4 Ep8/10) [S]
The new series starts with a Malayan tapir eating for two. A hyacinth macaw called James Bond loses his mate. And the head of Chester's Asian elephant herd is feeling her age. (S10 Ep1) [AD,S]
Some memorable stories from Chester Zoo featuring new life and newborns - including the world's rarest horses, an eastern black rhino, and two red pandas falling out over a rare pregnancy. [AD,S]
Rhino Kitani is due to give birth. Jewel wasp Ripley searches for a cockroach to turn into a zombie egg-incubator. And four rare and mysterious tenrecs arrive at Chester Zoo. (S4 Ep1/10) [S]
Some of Chester Zoo's animals are happily together forever, including penguins Rudd and Spike, and sloths Tina and Rico, who spend up to 18 hours a day fast asleep. [AD,S]
A special episode focusing on animal births at Chester Zoo. Elephant Thi is pregnant with her ninth baby. A jewel wasp seeks a cockroach for a mate to paralyse with venom. Plus: seahorses. [AD,S]
Has a recent fire stopped Chester's hornbills from having chicks? Meerkat Huskie also has the baby blues, while Milli the sun bear has a feisty one-year-old on her paws. (S9 Ep2)
Laid-back rock hyraxes Daissie and Nungu are expecting their eighth litter. At the reptile house, the Bermuda skinks have a ferocious approach to mating as Poptart meets Sharkface. (S9 Ep3) [AD,S]
Has a recent fire stopped Chester's hornbills from having chicks? Meerkat Huskie also has the baby blues, while Milli the sun bear has a feisty one-year-old on her paws. (S9 Ep2) [AD,S]
Has a recent fire stopped Chester's hornbills from having chicks? Meerkat Huskie also has the baby blues, while Milli the sun bear has a feisty one-year-old on her paws. (S9 Ep2)
Spotty chocolate poison dart frog Roy faces competition from hunky newcomer Hunter. And the keepers hope there may be a first joey on the way for dusky padamelon Styx. (S8 Ep5) [AD,S]
Laid-back rock hyraxes Daissie and Nungu are expecting their eighth litter. At the reptile house, the Bermuda skinks have a ferocious approach to mating as Poptart meets Sharkface. (S9 Ep3) [AD,S]
Chester's Rothschild's giraffe herd expects another new arrival. A pair of Bactrian camels experience the trauma of separation. Plus, spider monkeys and Cabot's tragopan pheasants. (S8 Ep4) [AD,S]
Has a recent fire stopped Chester Zoo's hornbills from having chicks? Meerkat Huskie also has the baby blues, while Milli the sun bear has a feisty one-year-old on her paws. (S9 Ep2) [AD,S]
The cameras return to Chester, showing things the visitors never see. On Chimpanzee Island, younger males test the pecking order. And there's a fish out of water at the aquarium. (S9 Ep1) [AD,S]
Keepers are keen to breed some baby eastern bongos, a critically-endangered species of antelope. Pinstripe damba fish George needs an immediate operation to prevent suffocation. (S8 Ep6) [AD,S]
Keepers are keen to breed some baby eastern bongos, a critically-endangered species of antelope. Pinstripe damba fish George needs an immediate operation to prevent suffocation. (S8 Ep6) [AD,S]
Rhino Kitani is due to give birth. Jewel wasp Ripley searches for a cockroach to turn into a zombie egg-incubator. And four rare and mysterious tenrecs arrive at Chester Zoo. (S4 Ep1/10)
Spotty chocolate poison dart frog Roy faces competition from hunky newcomer Hunter. And keepers hope there may be a first joey on the way for dusky padamelon Styx. (S8 Ep5) [AD,S]
Chester's Rothschild's giraffe herd expects another new arrival. A pair of Bactrian camels experience the trauma of separation. Plus, spider monkeys and Cabot's tragopan pheasants. (S8 Ep4) [AD,S]
Keepers spot that Asian short-clawed otter pups are developing bald patches, threatening their waterproofing. Plus, Caribbean flamingos, Asian elephants and dik-dik antelopes. (S8 Ep3) [AD,S]
Keepers spot that Asian short-clawed otter pups are developing bald patches, threatening their waterproofing. Plus, Caribbean flamingos, Asian elephants and dik-dik antelopes. (S8 Ep3)
Rothschild's giraffe Dagmar gives birth, but her calf struggles with its first steps. 'Inseparable' blue-throated macaws Lady and Girlie are divided when Girlie goes on the run. (S8 Ep2) [AD,S]
Rothschild's giraffe Dagmar gives birth, but her calf struggles with its first steps. 'Inseparable' blue-throated macaws Lady and Girlie are divided when Girlie goes on the run. (S8 Ep2)
Chester Zoo embarks on a treatment to save Asian elephant calf Indali. Feisty Humboldt penguin Almond and her mate Walnut go house-hunting, but an intruder is eyeing up their turf. (S8 Ep1) [AD,S]
Chester Zoo embarks on a treatment to save Asian elephant calf Indali. Feisty Humboldt penguin Almond and her mate Walnut go house-hunting, but an intruder is eyeing up their turf. (S8 Ep1) [AD,S]
Aardvark Koos gets romantic with his sister in this night-time special. Can underdog seahorse Seabiscuit grow the appendage he needs to attract a mate? Plus: bats and mouse deer. (S4 Ep10) [AD,S]
Chester's male lemurs' peaceful life is changed by a female arrival. Can Permata, a young Javan green magpie, impress female Metina and help boost their endangered population? (S4 Ep5/10) [AD,S]
Rhino Kitani is due to give birth. Jewel wasp Ripley searches for a cockroach to turn into a zombie egg-incubator. And four rare and mysterious tenrecs arrive at Chester Zoo. (S4 Ep1/10) [AD,S]
Jaguars Napo and Goshi haven't been breeding. Will training Napo to be more assertive change that? Young elephants Aayu and Nandita are seriously ill. Plus: gibbons and katydids. (S7 Ep7) [AD,S]
Three of Chester Zoo's rare onagers are pregnant at the same time. A flamingo loses interest in mothering her chick. And a baby macaque gets picked on by some older females. (S7 Ep6) [AD,S]
Pregnant rhino Asha goes into labour at night. Mantis Minnie is looking for her first sexual partner, but female mantises have a habit of eating their partners while mating. (S6 Ep3) [AD,S]
There's a new arrival in the chimp group at Chester, elderly chameleon Mr Parsons has a romantic date, and Gaston the banteng bull has made three females in his herd pregnant. (S6 Ep2) [AD,S]
Otters Diego and Icana have never mated; can new male Tarubu light Icana's fire? Andean bears Lima and Madidi aren't getting on. And two butterflies get drunk on fermented fruit. (S7 Ep5) [AD,S]