Casper and Emma are looking forward to Christmas! Will Santa Claus visit Petra this year, or will he leave the presents outside her door, like he usually does?

Casper is reluctant to start at a new daycare, but when he arrives he meets Emma who has a stuffed animal that can come to life. From that day Casper and Emma are best friends.

The two best friends Casper and Emma goes on a cabin holiday for skiing fun. Tough guy Petter is a good skier, and Casper thinks Emma likes him more. Maybe he can prove himself if he competes in a ski jumping competition?

During the autumn holidays, Casper and Emma are going on an exciting camping adventure in the Norwegian wilderness, but when Casper plays matchmaker there is bound to be trouble!

Casper and Emma get the opportunity to go to a real theatre. An adventure that sparks the idea to set up a play themselves. A play about yule lads who light lamps outside houses in the dark days of December.

Casper and Emma spends their summer holiday at Emma's family cabin. They find a chest that Emma's grandfather buried on the beach when he was young. It contains a treasure map that will lead them to a hidden treasure.

It's the harshest winter in memory, and the gnomes' very existence is in danger. Eager to help, Queen Fjellrose betrays one of their strictest rules and goes out looking for the Blue Horn, a magical instrument that can alter the weather.