Le beurre de yak

Mouk and Chavapa are in the Sahara desert... They have to bring a bracelet as a lucky charm to Zerda during the camel race.

Mouk and Chavapa are walking in the Tassili region and meet Dalila, a young girl whose parents are archaeologists. They decide to help them to make excavations.

Mouk and Chavapa are in Greece. They cross the path of the letter carrier whose van has broken down again.

Mouk and Chavapa are at their friend Amaruk's house, in the Canadian Far North. They go fishing, but are surprised by the fog. They manage to find their way back to the village thanks to the unexpected help of an Inuksuk...

Mouk and Chavapa are in Japan. They buy presents for the twins' birthday, but while they are resting in the park, a lady leaves with their bag containing Mita's doll and Popo's robot. The two boys will then do everything to get back their friends' toys.

Mouk and Chavapa are in Africa. They are helping their friend Bouba, who is on his way to his cousin's wedding, but he is not the only one who needs help and if they stop every time to help everyone, they might miss the wedding!

Mouk and Chavapa are in Madagascar to see the turtles' eggs hatching on the beach. But Mouk, in a hurry, doesn't listen to his friend Anosy who wants to explain to him the Fady, the local customs. Chavapa and Anosy decide to play a good joke on Mouk.

Mouk and Chavapa are in the Andes. The time they do some shopping, the bus leaves without them, with their bikes hooked to the back! Api helps them to catch up with the bus on the back of mules.

Mouk and Chavapa are in Venezuela. But during a walk in the rainforest, the tire of Chavapa's bicycle bursts. Alouatta offers to help by taking them to the village on his boat. The river is full of surprises to the great joy of our two friends... except for the surprise of the crocodile!

Mouk and Chavapa are in Tokyo. Their friend promises to show them a quiet place. The same evening, Miiko's father has to open a garden to the public where walkers can admire trees and flowers, but he is late and the two friends help him look for the missing plants.

Mouk and Chavapa are in Venezuela, in the middle of the rain forest. They make a friend, Taptuck, and discover different animals, including leaf cutter ants and a giant stick insect, which they mistake for a stick that walks by itself.

Mouk and Chavapa are in Vietnam. They are racing small paper boats in the rice fields when Linh Hue tells them that they made a mistake: they should not have raised the traps, otherwise the rice fields will run out of water! Mouk and Chavapa help their new friend to fix their mistake and save the fish.

Mouk and Chavapa are in the Darjeeling region. What a chance for Popo and Mita who have to do a presentation about tea for the school the next day! The twins ask them to take and email them several pictures about tea growing. Suddenly, their computer crashes. Fortunately, India is a much more modern country than they think.

Mouk and Chavapa are in India. They want to attend the famous festival of Holi, but do not know exactly what it is all about. Fortunately, Kalpita, a little Indian girl, will guide them.

Mouk and Chavapa are in Brazil. They don't want to miss the big soccer match on TV. Ronaldo and Paolo, two old grandfathers who are watching the event, invite them to sit with them. Unfortunately, some albatrosses move the TV antenna and the picture gets blurred. Our two friends go looking for Baya, the little girl, who knows how…