Year: Premiering in December 2026.

Duration: 70 minutes.

Genre: Preschool.  

Producers: Big Bang Box, Euskalreel, Momonsters: Filma AIE

Directors: Javier Martínez, Christian Garnez.

Animation studio: Baleuko

Director of photography: Alberto Martínez

Synopsis: The Momonsters are about to meet Santa Claus! He has invited them to Lapland to witness the creation of new Momonsters. But something goes wrong and, instead of becoming children’s best friends, the new Momonsters become their worst enemies. After capturing Santa Claus, they plan to put an end to Christmas! Haha, Hehe, Hihi, Hoho, and Huhu manage to escape and embark on a dangerous journey to find the First Christmas Tree—their only chance to rescue Santa Claus and save Christmas.