The Secret Life Of The Zoo

37-year-old female elephant, Thi, is pregnant with her ninth baby. Elephant pregnancies usually last 22 months but keepers believe Thi is now three months overdue! The risks for Thi and her unborn calf are growing by the day and keepers are worried.

Elderly chameleon, Mr. Parsons, has a romantic date with young Daphne from France. It's his last chance to father a child. They first met last year but their rendezvous didn't go well so keepers are hoping for better luck second time around.

A power struggle unfolds on chimp island as dominant male Dylan is challenged by young pretender Carlos.

Nima the red panda lost her partner last year. She is being introduced to a new mate, named Koda. But the pair get off to a bad start when Koda chases Nima up a tree, leaving her hanging from the highest branch.

Beautiful six-year-old okapi, K'Tusha, is nearing the end of her first pregnancy. Keepers are hoping her first baby will help to conserve this highly-endangered species from the rainforests of central Africa.

Visayan warty pig Wendy is fed up with the attentions of male pig Jake - and decides to escape. She can't be found overnight, despite a major search by the keepers. Will they be able to find her?

Matrah the cheetah is shunned by his two brothers after starting to show signs of injury. He is taken to the vet to figure out what's wrong, but the brotherly reunion doesn't go as planned, so keepers fear they may have to separate them.

Blue Poison dart frog Bertha loves to wrestle. The zoo would like to breed her, but she's scared off all potential suitors. The keepers introduce some new young male frogs, in the hope that one of them will be strong enough to win her over.

Reticulated pythons, 'Jodie Foster' and Bali, are two of the most dangerous animals in the zoo. When a window is broken in their habitat, keepers have to find a way of distracting these man-eating creatures so that the repair work can be completed.

Otter couple, Diego and Icana are best friends but have never mated, so keepers decide to replace Diego with a new male Tarubu. They hope that young Tarubu will relight Icana's fire and that they will provide Chester with long awaited otter pups.

Baby flamingo Marley's mom has lost interest in mothering duties leaving dad, Rum, to rear the baby alone. Parenting duties are normally shared equally by flamingo parents, but Rum will have to do the work of two parents if his son is going to endure.

Rare silvery gibbons Alven and Tilu are expecting a new addition. But when the new baby arrives, it's up to Dad, Alven, to keep their older son, reckless teenager, Eko, in check.

Welcome to the colourful world of some of Chester's rarest animals - in this fully immersive, deep-dive special that explores the extraordinary underwater world of the zoo.

Rhino Asha is pregnant by partner, Beni. When keepers go home for the night Asha goes into labour and there's a surprise awaiting them when they arrive at work the next morning.

Humboldt penguins Almond and Walnut go house hunting, but an intruder is eyeing up their turf.

Christmas comes early with the birth of Kyra, the UK's first ever surviving sun bear cub, but the rare new bear proves a little over-adventurous and gets stuck up a tree on its first outing outside.

Keepers hope that dwarf mongoose couple, Cooper & Mini, may deliver some new babies in time for Christmas, but it's not an easy ride.