Imanol Zinkunegi

Lur and Amets’ parents have to go to a wedding this weekend. For this reason, they leave the twins at Grandma Andere’s. However, it’s not going to be a conventional weekend thanks to her magic powers and her cat Baltaxar. They will set out on an unforgettable journey travelling to different eras and having new adventures throughout the history of the Basque Country. Although they are the main characters of every story, Andere and Baltaxar will help them. Unfortunately, two evil men will always be hot on their heels.

This is the third time that Vik and his family have moved to a different city. Vik is a shy child who finds it hard to make new friends, and whenever he finally does start to open up to someone, his father's job inevitably causes the family to up sticks and relocate to a different part of the country, and Vik has to start all over again. Luckily for him, this time he soon meets Mai and Oto in the city park.

The World Music Festival is being held in TronBon’s hometown and the judges are none other than the clowns Txirri, Mirri and Txiribiton. The night before the festival, all the instruments in the town —as well as the clowns— are mysteriously stolen.