We see how the battle breaks out when a new male is introduced to the group of ring-tailed lemurs. The young sniper fish are given shooting lessons by the oldies and giant pandas Xing Ya and Wu Wen embark on the adventure that will hopefully lead to mating and... young pandas.

We see the adventure of African elephant Tooth taking his first steps as a breeding bull. The heavily traumatized brown bears Keta and Maria are slowly learning what it means to live carefree as a bear in the bear forest and how does the icy truce between the ring-tailed lemurs end?

We discover the world of the poison dart frog, which has a very special way of reproduction. The brush pigs fight without hesitation for food with their much larger neighbors; the African elephants. And at night clouded leopard male Rama and female Hyma are suddenly much more interested in each other than before.

Dadon, a brown bear, returns from his CT scan. The result must determine whether he can wake up from his anesthesia and return to his beloved bear forest. Giant tortoise Mien is restless. She is looking for a place to bury her eggs. And clouded leopard Hyma is also pregnant. Due to inexperience, it often goes wrong with a first litter. The cubs only have a chance of survival if Hyma has enough maternal instinct.

A romance blossoms between Orang Utans Bako and Tjintah. Penguins Snavel and Opa are getting new challenges for more exercise. Siberian tiger Colina suddenly has no appetite anymore and that is alarming. And it is winter in the park. The brown bears have disappeared into their burrows, but the giant pandas are having the time of their lives in the snow.

We see how roloway Akua enters toddlerhood. She terrorizes her peers, but especially the meerkats have to suffer. Family expansion at the Orangutans arrrives when Tjintah has her fourth cub. And are young also coming to the giant pandas? Female Wu Wen is fertile. This takes no more than three days and only happens once a year. Time for male Xing Ya to take action.

The new breeding bull Tusker meets the ladies elephants. The giant tortoises have a new home, with more corners where Mien can escape Sjaak. And brown bear Mincho is locked out of his hiding place. He must learn to hold his own between the other bears and the wolves.

Brown bear Mincho, who can no longer hide in the inner enclosure, confronts the wolves. Polar bear Freedom retreats into her farrowing hole and soon the two cubs scream: less than 30 centimeters long, pink, blind, deaf and completely helpless. Finally orangutan Minggu, 6 months old, finds that she has far to go before climbing independently, but does mother Tjintah think that as well?

With the mandrils your origin determines your place. Children of a low-ranking female also automatically have a low position in the ranking. But young man Kalle no longer wants to go along with that and seeks confrontation. The young clouded leopards grow up. So fast, in fact, that son Badai slowly becomes a danger to his sisters and mother. Elephant bull Tusker has already sired 14 offspring in his previous zoo. He therefore appears to know exactly what to do when female Duna enters her fertile period.

Giant panda female Wu Wen comes into her fertile period two months earlier than expected. Within a period of 72 hours, male Xing Ya must be ready to mate with her. Zebra stallion Kutze is slowly maturing and wants to become the boss of the group. He will fight the current leader. And giraffe Zeus, who was alone since the death of his girlfriend Twigga, is finally getting company again.

The giant pandas Xing Ya and Wu Wen have not paired despite all the efforts of their caretakers. The period in which this should be possible has passed, so it will now take another year before it can happen again. But then Wu Wen still has one last revival. Barbary Macaque Viktor has been found in a city plantation, with a diaper and collar on. He has probably never been in contact with peers. He needs to learn how to act like a barbary macaque. Otherwise, the group, especially alpha male Kees, will forcefully let him know that he is not welcome.

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Tapir Tygo meets a fertile female for the first time in his life. Black rhinoceros Naima turns against her daughter Mara. She needs space now that a new cub is on the way. Gentoo penguin Anoeska is lonely because she is the only one who cannot swim yet. She is desperately looking for contact.

The life-threatening Komodo dragons turn out to have a very romantic side. Green sea turtle Midas has a fight with the sharks in the aquarium, but Midas is not afraid of anything. And Indian rhinoceros Namasté is pampered with a massage.

Black rhinoceros Naima retreats to her stable. She can give birth at any moment. Walking leaf Phileine appears to be able to reproduce without a man. Asian elephant Sunay is going through puberty and is targeting his defenseless grandmother Irma. And amur leopard Kitan enters the domain of female Vatne.

The surgeonfish are not eating enough because they are intimidated by the other fish. Passionflower caterpillar Sofietje eats all the way around and then transforms into a beautiful butterfly Sofie. And Okapi Kamina just doesn't want to eat anymore. What's wrong with her?

Elephant Fahim has a delay in his social development because he grew up in loneliness. He meets a fertile female for the first time. Rüppel vultures Kik and Daan have to leave the nest by their parents. But Dan doesn't dare. And the super big tough rhinoceros Vungu turns out to have a very small heart. He is afraid of his own shadow.

Great unrest among the gorilla group of silverback Bokito. Grandma Annette is not doing well. Elephant Bangka gives birth to a baby boy after a gestation period of 22 months.

A bonobo family arrives from a zoo in Germany. How does mother Eja lead her family safely into this new world? African elephant Duna killed her own calf three years ago. Now she is going to give birth again. Can she finally prove that she is a good mother after all? And we get to know a very special animal that only leaves its hiding place among the leaves in the dead of night: the spotted cuscus.

Argument among the polar bears. Yuka was always at the bottom of the hierarchy with his sister, mother and grandmother. But he is growing up and no longer wants to wait his turn. Brown bear Wolke misses her twin sister Tory, who died just before winter. She can no longer find her place in the forest. And what about giant pandas Wu Wen and her son Fan Xing? Wu Wen appears to have a strict parenting style.

Bonobo mother Eja and her family are disturbed in the middle of the night. A group of 9 bonobos arrives led by female Lisala. What does that mean for the position of mother Eja? Orangutan Minggu is two and takes every opportunity to sneak away from mom Tjintah. But he thinks it is still far too early for that. And what is the similarity between a millipede and an agate snail?

Brown bears Ljalja and Malysh make the trip of a lifetime. From a dilapidated amusement park in Ukraine to the bear forest in the Netherlands. Little elephant Bumi is becoming increasingly rude to his neighbors, the brush hogs. But they turn out to be stronger than he thought. And four little giant tortoises are big enough to live with the real giants. But they are four females. Men Sjaak and Baba immediately take action.

Kantjils are very timid animals. They hardly show themselves. Until female Noodle notices a new male among the bushes. Mandril Valentino, the undisputed leader of his group, is growing old. Younger male Ayo senses this and makes a bid for the throne. And Flamingo Ciske leaves the nest. But do the other flamingos give him a place?

Giant panda Fan Xing is almost two years old. What does his future look like? Ukrainian bears Ljalja and Malysh meet the other inhabitants of the forest: the bears and the wolves. And spring brings baby news to the bonobos!

Seahorses washed up on the beach regain their strength in the zoo and then make an exciting journey back to sea. The baby gorilla Ajabu is in danger when his teenage brother makes off with it. And there is an adoptable chick for two puffin men who have completely found each other. But can they also care for a little one?