On the eve of the annual Valleby Games, the competitors are injured one by one. The clues lead Jerry and Maya to a dark secret and an old myth about the games' mascot that is said to haunt the hall. Will Jerry and Maya find the solution before anyone else gets hurt and will their friendship survive the trials?
The duo from the popular detective series gets their first serious job. The Hammurabi Contest stands a chance of becoming a great event at the school in Valleby. The prize is an ancient book containing the rules of solving disputes. Short before the contest starts, the book disappears in mysterious circumstances. Without the book, the contest will not take place! All the effort and dedication of pupils would be for nothing, and the school would lose its prestige. Jerry and Maja are involved from the very beginning, trying to find the lost book. Will the kids find the underlying cause of the case? A white dove will help them solve the mystery...
As people in Valleby are looking forward to Valleby Day, a thief suddenly strikes and carries out a series of thefts, leaving behind symbols linked to the zodiac and space.
Lasse and Maja have had their detective agency shut down by the police chief when a customer ask for help to prove her father is innocent of the train robbery he was convicted of. Lasse and Maja now see their great chance to show off.
The sleepy little town Valleby is getting ready for the cafe owners Dino Panini's and Sara Bernard's wedding, and our popular young detectives Lasse and Maja stand ready to ensure that nothing will go wrong. But when the wedding couple's respective relatives arrive, they prove to belong to rival mafia families.
It's late summer in the small town of Valleby, but the calm is disrupted by bad news. The police station is under threat to be closed, which neither Lasse, Maja nor the chief of police wants. They must find a way to solve the situation.
Around the time that the chief of police is elected the Most Popular Citizen of Valleby, a thief and impostor is released after two decades in jail and returns to the town with a revenge plan in mind.
Lasse and Maja find an old mysterious coffin that turns out to belong to the eccentric family von Broms. A centuries-old family fights flare up again and suddenly the coffin gets stolen. Who wants to steal it and why?
When a foster home placed teenage rebel suspects that her father is not dead but kidnapped by UFOs, she takes help from a UFO association to find out the truth. Together, they embark on a risky adventure that takes them far beyond the laws borders and into a world filled with UFO expeditions, conspiracies and inexplicable phenomena.
Nelly Rapp is an ordinary girl who is going to spend the autumn school holidays with her uncle Hannibal. Well, maybe not that ordinary – she’s going to be a monster agent. You know, an agent that fights monsters and ghosts. That’s right, they do exist. They’re right here amongst us, but you only see them if you believe in them and scratch the surface…
Hakan has a babysitter, Amanda - the world's most boring one according to him - and he has to run home where he can attend a very important computer game competition. But Hakan is suddenly eye to eye with both burglars and ostriches.
Hakan Brakan really wants a pet, but first he has to prove to his parents that he is a responsible enough and attend a scout camp. The question is whether Hakan Brakan will make it through his week at camp without causing mischief or chaos. Especially when old familiar thieves and an interesting treasure map enter the picture!
Nelly and the dog London are joined by Valle as they head out into the Black Forest to find the Mirror of Death. A journey that takes them deeper and deeper into the forest and to the place where Nelly's mother once disappeared.