The Marsupilami is a strange but adorable long-tailed creature that faces all types of enemies in the depths of the Colombian jungle.
Amanda has reached the end of their research and sends her first photo to the payer Orson Kaine. Back Alive pretends to be a Marsupilami professional and claimed that the image is wrong and there is no specific studies on Marsupilamis..
In Chiquito a rollerblade competition takes place every year. Leo and Marsupilami work diligently to win, but their biggest competitor, the team of Bill Boss, David's boss, won't make it easy.
Amanda has gone deep into the jungle, there to explore the bird Krächzvielimregenguss. Suddenly a terrible storm breaks loose, which causes the river to overflow its banks and flooded the house of Newman. David takes the children and Marsupilami to get Amanda back.
Amanda is alone in the jungle and suddenly feels observed. On the run from the secret observer she falls from a tree and faints. When she wakes up, she has a black Marsu nursed back to health, which it considers to be his adoptive mother, Reyna, who disappeared many years ago. David finds the real Reyna on the internet and invites her to come to his house, where there is a touching reunion between her and her little black Marsu son.
David broods once again on a new invention. Suddenly Marsupilami storms into the house and triggers a short circuit of the device. What first appears as a small disaster, it turns out to be very lucky soon. The device works as a miracle remote control that can control all electronic devices. Soon appears Rico Bolino, a gangster who wants to move the remote control in his possession. When you do not sell him the equipment, he kidnaps David and his boss, to force the issue so the device.
It's Halloween, and Amanda and David want to have a picnic while the kids have the house to themselves, so they see scary movies and can be frighten. They chose to go into the jungle play, find the old pyramid Marsupicoatl and must pass a couple of dangerous adventures there.
Didi meets his old friend in the port Crazy Joe, with whom he has hunted as a young man rare animals. Crazy Joe pretends to act now with wood, but soon turns out that he still works in his old shameful profession. He soon caught Dolphin, a dolphin and a good friend of Marsupilami. First Didi wants to free the captive dolphin alone, because he is ashamed of his past, but he soon moves on, and now tracks with all our friends together.
Amanda wants to teach painting Marsu. Although Marsu has a most unconventional way to the cause, but after the publication in Amanda's website, the art world is inspired with his paintings.
Amanda's old biology teacher, Professor Dino Saurus has a fossil Marsupilami egg found that Amanda can be restored by DNA manipulation.
Chiquito is haunted by a mysterious burglary series. Since the intruder penetrates every time through windows at dizzying heights in the building, a nickname for him is quickly found: the flying burglars. Soon it turns out that one of a gangster-trained under duress Marsupilami is the flying burglar.
Once again Back Alive has appeared and tries to catch the Marsupilamis. He stole from the Marsupikoatl pyramid the sky stone, a meteorite whose radiation Marsupilamis can become weak and defenseless, allowing him to catch the family.
For home husband David, housework is too much. He decides to hire a maid who takes care of the kids and gets along well with the Marsupilamis. Back Alive takes on the role of Miss Pflaum Back and tries to catch a Marsupilami.
David gets a visit from his old friend Monty and his daughter Cloe. Leo sees Cloe as a typical little girl with freckles and pigtails in memory, but as soon as he sees her, he feels that he's in love with her and now is doing everything to impress her.
The animals in the jungle suddenly become ill. Amanda finds out that someone has poisoned the river water. The cause is the Dämoniak gum factory, which treats it carelessly with its artificial fertilizers. Global, the owner, ignored the pleas of Amanda and Leo, who decide to careful deal with the fertilizer themselves.
Bobo is scolded by Mama Marsu for his messing around. He does not want to go home, so the Newmans take him in, where he makes friends quickly with Zoe.
El Doctor, allegedly archaeologist, has hired Didi and his boat to have someone drive him to a lake, where the "Santa Pioca", a Spanish galleon, has gone a long time ago. He forgets to tell that a treasure was located on board the ship. When Leo along with Marsupilami, which shows up as amphibian floats to the wreck, suddenly chief Yam appears and warns all parties against a curse that lies on the treasure.
The Chiquito Grand Prix of eco-friendly racing boats is imminent. David has developed a banana peels powered motor, Leo comes with Marsus tail as a boot screw. But unfortunately Back Alive emerges once again.
David get a new translation program for his company , only to suffer a blow and can only speak Marsu's language.
Amanda and David studying a play, as the owner of the theater Anatole Anatolivitsch, shows up and announces that he needed to close the theater because no money is more available for renovation. The mayor even wants to demolish the house. Amanda comes up with the idea in her piece to include the Marsupilami family in order to attract more viewers.
The three Marsupilami children catch their first Piranha. That is, according to the laws of the jungle they are close to becoming an adult and must pass an exam: They must pass through the valley of the Tradition, a valley where many dangers lurk, usch as wildlife, carnivorous plants, quicksand and marshes. Amanda takes the right to film this whole company and assists the three together with Marsu secretly and at a safe distance while Leo secrets take the test, too.
During a panther attack, the nest of the Marsupilamis is destroyed. The Newmans take them into their home as a new nest is created by the grandmother Marsu.
Newman family is out of town, and Captain Didi fits together with the Marsus on her house when a hot air balloon with two passengers on board near the house crash lands. The passengers are the sisters Lena and Jane, both enthusiastic amateur magic artists. Desperately looking for a backpack that they have lost during the emergency landing. It contains what they do not tell, stolen jewels. While these Lena police will hand over to Jane leaves from their goal, the jewels to sell, not discourage.
Leo's school friends Rudi and Jenny want to visit Leo in the jungle he lives in with his family. His parents say no, but Leo brings them there when his parents step out for the day.
Leo must write an essay for school. His theme: the Marsupilami. He writes a lot, take pictures and interviews. So with Yamatunga, who tells him, among other things, that tomorrow is the summer solstice, the day on which he made the decision many years ago to be Yamatunga, protector of Marsupilamis. When Leo the next day visited the Marsupicoatl pyramid and the sun goes down, the temple closes suddenly. Yamatunga explained that needed to be in order for the Yamatunga apprentice can be adjusted in peace on his future life. When Leo has freed itself from the temple, his mind is made up. He will one day be Yamatunga.