Mouk and Chavapa are in Peru, cycling to meet their friend Api at the top of Machu Picchu. Chavapa is so incredibly tired, he suggests they travel by tandem as it might be easier. Chavapa is suffering from altitude sickness; luckily Api knows how to help relieve it. Chavapa still doesn’t see the point of travelling all the way up just to come back down...

Mouk and Chavapa are in the Andes helping their friend Api carry multi-coloured corn back to her father's shop. They really want to see a condor and take a picture of it to send to Popo and Mita.

Mouk and Chavapa are in New York and have offered to water Serissa's plants while she is away. When they can't find any plants in the apartment they call Serissa who guides them up to the roof where they find a garden!

In Spain, Mouk and Chavapa meet Emilio, the self styled Paella King. While he cooks for them, Mouk and Chavapa set off on a treasure hunt... Chavapa is determined a pirate has buried treasure somewhere on the beach!

Mouk and Chavapa are in Arizona with their friends Tuscon and Sedona. Chavapa is in a really bad mood! He dreamt about spiders last night and he absolutely hates spiders!

Mouk and Chavapa are disappointed when they miss the last show at the Russian Circus. Luckily they meet Tatiana and Boris, who are learning to be circus performers.

Mouk and Chavapa are staying with their friend Kedi in Turkey. One evening Chavapa wishes on a shooting star: he dreams of walking on the moon. Can Chavapa's wish come true?

Mouk and Chavapa are in Chile, in the middle of the Atacama Desert when it starts raining! Sofia, Pepito's grandma, explains that they should take advantage of the opportunity to go and look for the 'Lion's Claw!'

Mouk and Chavapa are in Morocco with their friend Tariq. His uncle loves spending time recording lots of different sounds. They meet him in the desert: he wants them to listen to the singing sand dunes!

Mouk and Chavapa are on the Mongolian Steppes. Ganbataar's grandpa suggests they go horse riding; they may even meet some Thakis, wild horses. Riding is much easier than cycling; just don't forget to tie up the horses!

Mouk and Chavapa are in the middle of the Sahara. Their friend Aicha takes them to a very special festival where, each year, nomadic tribes from all over the desert meet to play music together.

Mouk and Chavapa are in Arizona. Chavapa wants to win the Young-Explorer-Photo-Contest. But there are too many tourists! Chavapa needs a quiet place to take the picture he thinks will win, but it's not going to be easy!

Mouk and Chavapa are in Senegal with their friend Bouba. While they're waiting for the mobile cinema to arrive, Mister Mamadou starts telling them the story of Mekembe and his magic bow...

Mouk and Chavapa are in Mexico. They meet their friends Luis and Juan who want to introduce them to some very special guests who have just arrived from Canada. Mouk and Chavapa have no idea who these mysterious guests can be.

Mouk and Chavapa are in Hong Kong. They are going to make origami boats to sail on the pond with their friends Sun and Bao. But Chavapa is way too impatient to learn origami!

Mouk and Chavapa are in the Atacama Desert in Chile when they suddenly see a huge meteorite passing by! They use Pepito's metal detector to search for meteorite fragments when Chavapa spots... an alien!

Mouk and Chavapa are in Turkey with their friend Kedi. His uncle Uglur suggests they go and visit a nearby lake. Chavapa is thrilled! He'll be able to swim! Not exactly... There's not much water in this lake, only salt!

Mouk and Chavapa are in New Mexico, camping in the desert with their friends Tuscon and Sedona. According to them, they are in an area where lots of people believe they have seen aliens!

Mouk and Chavapa are in Canada in snowy Nuvanik. Mouk really wants to see the giant craters left by meteorites hitting the earth millions of years ago.

Mouk and Chavapa are in Chile. They set out with Pepito's aunt to watch her working at the top of a volcano. She has also offered to cook them a traditional dish made with Chilean rhubarb leaves and large stones.

Mouk and Chavapa are in Bhutan in the Himalayas. They're meeting their friend Julie near a chorten to help her find a White-bellied heron and a Black-necked crane before she leaves tomorrow.

Mouk and Chavapa are in Brazil. Their friend Alice and her band 'The Wallabies' are about to give a concert on the beach when Alice suddenly loses her voice!

Mouk and Chavapa are in Canada. Autumn is one of the most beautiful seasons here: red maple leaves cover the ground. While they are looking for the perfect leaf to send to Popo and Mita, they come across some sculptures.

Mouk and Chavapa are in the Sahara, heading back to meet their friend Aicha. A kid has become separated from its herd and starts to follow them. It looks thirsty. Once back at the camp, they set out to find the owner.

In Madagascar, Anosy wants to show Mouk and Chavapa how to play a local game, Fanorona. It's really easy, you just need to draw out the shape of the board in the sand, and use shells as pieces.

Mouk and Chavapa are in the Andes. Their friend Api needs them to help her paint; they're flattered she recognises their great artistic talent! But they soon find out it's not exactly the kind of painting they were expecting.

Mouk and Chavapa are in New York City. While trying to help Serissa's aunt using roller skates, Mouk catches sight of a dragon at a street corner! He can't believe his own eyes!

Mouk and Chavapa are in Turkey. Kedi's father asks them if they want to help prepare for Karagoz, a traditional Turkish show. Chavapa is thrilled; he really wants to be in the play with Mouk!

Mouk and Chavapa are in Madagascar with their friend Majunga where they help out with the annual headcount during the whale migration. They even get the chance to see a whale and its calf up close.

Mouk and Chavapa are in Africa for Mouk's birthday, but Chavapa is stuck in front of the computer. What a lovely surprise when Mouk discovers that Chavapa was actually contacting all of their friends from all over the world.

Mouk and Chavapa are on Christmas Island off the coast of Australia visiting their friend Nina. They witness the great migration of the red crabs that, once a year, cross the whole island to reach the sea.

Mouk and Chavapa are in Spain. Their friend Cerdito invites them to celebrate New Year's Eve at Casa Emilio. There is a Spanish tradition that consists of eating a grape at each toll of the bell at midnight.

Mouk and Chavapa are in Egypt. Chavapa is fascinated by hieroglyphs, the ancient Egyptian writing system and how to decipher them. The two friends seize this wonderful opportunity to go paddle boating on the Nile.

Mouk and Chavapa are in Russia. While going to the next village, they run into a Gypsy caravan. What a surprise when they realise it's Sujka's, Babouchka's childhood friend! The children then decide to organise a reunion.

Mouk and Chavapa take the trans-Siberian train from Russia to Mongolia. While Mouk is thrilled with the idea of taking this legendary train, Chavapa is already complaining that the journey is going to be terribly long.

Mouk and Chavapa are in Spain. Rumour has it the critics of a gastronomic guide are testing the restaurants of the area. Mouk and Chavapa try to find out which of the diners in Casa Emilio are the critics.

Mouk and Chavapa are in New York. Their friend Serissa has invited them to a Superhero party. To find the secret location of the party, Super Mouk and Super Chavapa will have to gather the 3 crystals hidden in the city.

Mouk and Chavapa are in the United States, in the Mojave Desert. They meet with their friend Luis and his father to help them take pictures of desert tortoises. But some very strange things are happening there...

Mouk and Chavapa are in Africa in their friend Bouba's village. Today is Kumpo day and all the inhabitants will meet up to celebrate. Monsieur Mamadou is not here. Did he forget about the celebration?

Mouk and Chavapa are in Brazil. They are going to watch balloons being released on the beach with their friend Baia and her disabled brother.

Mouk and Chavapa are in Madagascar. They go on a trip to try and find chameleons but they are really well hidden and, on the way, they discover very unusual insects.