The zoo's Sumatran orangutans are recovering from the horrific fire that engulfed their habitat in December 2018. Rothschild's giraffe Dagmar gives birth, but her calf struggles with its first steps.

Red panda Jung is losing weight and no one knows why. Mandrill Ludo gets over-friendly with his dad's girlfriend when his dad's at the vet's. Plus: tigers, and penguins.

Red panda Nima's new mate, Koda, chases her up a tree. Baby meerkat Junior is struggling to get enough food. And a shy penguin isn't socialising with his colony.

Hornbills survived a fire that swept through their home, but it may have derailed their plans for chicks. Meerkat matriarch Huskie seems to have lost her breeding instincts. Sun bear Milli has her paws full bringing up her daughter Kyra.

Rothschild's giraffes Mburo and Mojo miss out on their Christmas treat. Sparky is a new camel arrival. Mascara barb Clark has a date with three females named Kourtney, Kim and Khloe. Red panda Nina gives birth to twins Huey and Tiang.

The keepers are busy making gifts for the animals but there's chaos when the chimps seek out their parcels. Will dwarf mongooses Cooper and Mini have new babies before Christmas? Plus rhinos and ants.

African painted dog K'mana is pregnant with Chester's first ever litter of this endangered species. Meanwhile, can atlas moths Dave and Simon find mates during their five-day lifespan? Plus: okapis.

Young meerkats Beagle and Huskie become parents for the first time. And can painted dog Ville look after his seven adolescent pups on his own while the vets check up on their mum?

Keepers spot that Asian short-clawed otter pups are developing bald patches, threatening their waterproofing. Plus, Caribbean flamingos, Asian elephants and dik-dik antelopes.

Bush dog Mana is pregnant. There's a power struggle on chimp island. Otter Wallace is struck down by a mystery illness. And is romance in the air for wattled cranes Wilma and Ivan?

Adolescent babirusa Tolo has a hoof problem. Rock hyraxes Daissie and her partner Nungu are expecting their eighth litter. At the reptile house, the Bermuda skinks have a ferocious approach to mating as Poptart meets Sharkface.

Sun bears Toni and Millie have relationship problems. Critically endangered eastern black rhino Zuri gives birth to baby Ike. Otter Annie has three new pups. And camel Shan-shan is unwell.

Chameleons Charles and Eddie try to impress new arrival Ruby. Orangutan sisters Emma and Subis are expecting babies by male Puluh at the same time. The aardvarks are making the new meerkats anxious.

Young orangutan Tripa is half the size of other orangutans his age. He relies on his mum for everything but can he become independent when she has a new baby? Plus: penguins, beetles and painted dogs.

Chimp Zee Zee gives birth to a daughter. Elderly chameleon Mr Parsons has a date. And Gaston the banteng bull has made three females in his herd pregnant.

Four of Chester's orangutans go missing. The dominant female meerkat faces a power struggle with her own daughter. Can bull elephant Aung Bo help provide a baby to keep lone youngster Nandita company?

Chester's bachelor pad of lemurs is about to be in for a shock with a dominant female on her way; a novice zebra starts to make a play for power, which isn't to top zebra Florence's liking; the keepers are desperate to breed Javan green magpies.

Giraffe Orla is due to give birth. Orangutan baby Tombol tests his luck with the gibbons. Overconfident ibis chick Professor X gets into trouble. Can a timid sengi take over his dad's breeding duties?

The keepers struggle to transport a suspicious warthog and a giraffe. Caiman lizard Gary keeps diving into the pool headfirst, even when it's empty. A baby gibbon is a passion killer for its parents.

It's Christmas at Chester Zoo. The UK's first ever surviving sun bear cub is born, and there's a yuletide ceasefire in the turf war between the otters and the babirusas.

Four rare and mysterious tenrecs arrive at the zoo. Endangered eastern black rhino Kitani is due to give birth. And jewel wasp Ripley searches for a cockroach to turn into a zombie egg incubator.

Pygmy marmoset Audrey has to carry her babies everywhere. Andean bear cub Madidi embarks on an adventure into a neighbouring paddock. Plus: young elephants and baby hyraxes.

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.

Oana the anoa and capybara Lochley both give birth. Tiger mum Kirana's sons are being moved to other zoos to start their own families. Young monkey Rocky won't pay attention to his mum's life lessons.

The chimps have been brandishing a large stick; keeper Niall tries to get it back. Male onager Holmes chases every female in sight - including the camel next door - during mating season.