Gentoo penguins Joey and Anouska make a love nest with pebbles, but you have to be careful, because there are more hijackers on the coast. Giant panda Wu Wen suddenly behaves aggressively towards daughter Fan Xing. Has the natural moment of shedding arrived? Gorilla leader Bokito dies completely unexpectedly. How does the group respond to the loss of their leader?

Since Bokito's death, the Rotterdam gorilla group has been adrift. How will they continue without their leader? Cleaner shrimps Teddy and Lizzy are the cleaning crew of the aquarium, but that is not without danger. Elephant bull Tooth returns to his old herd in Rhenen. Is he still the shy boy from a few years ago or is he no longer willing to be messed with?

Pygmy hippopotamus Eveline is overweight and needs to go on a diet. But Eveline herself does not seem to agree with this. Brown bear Malysh is causing a stir in the Bear Forest. It looks like he is still producing testosterone even though he has been neutered. The search for his missing ball begins. Young zebra stallion Kytoko must provide offspring in his new herd. But does Kytoko actually know how to seduce a woman?

In Rhenen the gorillas get new housemates: five colobus monkeys. Gorilla man Barney doesn't like commotion and when he sees the colobuses, they have to get away. Hyena woman Kaidi has given birth to two cubs; Kanzai and Khenzi. And boy Kanzai soon learns that he has to watch out for his dominant sister. Sea turtle Midas doesn't like sharks much, as they steal his endive. And then three new sharks arrive from Spain. Of course Midas is not looking forward to that.

Malayan bear Cindy can never be found in the tree. This is striking for this species, which is known for its climbing talent. José from the zoo in Rhenen visits a nature conservation project on Borneo and at the same time gets inspiration for Cindy's climbing problem. Orangutan man Bako can dig in the sand for hours. Daughter Minggu and her mother Tjintah watch intently to see what he actually pulls out of the ground. Young sea lion man Don is a real 'Don Juan' and makes frantic attempts to seduce the ladies in the group. There's just one problem: Don isn't the leader of the group; that's Nick. And it tolerates no competition.

Red panda female Kwina is participating in a study to help her peers in the wild. Janno from the zoo will take the results of the research to the nature conservation project in India and Nepal. Plants have an ingenious way of combating pests such as lice. They use scents to call in help from predatory ladybugs and ruthless parasitic wasps. And these pierce their victims alive to lay eggs. Female Lace Chilly Noodle is quite shy when she is joined by male Pincho. He helps her thaw. But then something dramatic happens.