When Jaana requests Antti's school picture for her friend journal, Antti tries to improve his looks for the photo.
Keijo wants to become a rich and famous YouTuber but has to face some resistance from his peer group.
A new fad, sticking a tongue to a frozen iron pole spreads among students, while the teachers need to find a way to prevent the injurious trend.
Keijo wants to improve his grades right before holidays, driven by his mom's promise of rewarding him with a new video game. Meanwhile, the teachers are struggling with a whole new grading system.
When parents force Antti to get some fresh air, he finds out that a loitering teenager isn't welcome pretty much anywhere.
Kalle the student becomes the teacher, when the school staff is having a hard time learning mandatory new technology.
While Antti is trapped at the school cafeteria for a mandatory work experience day, he feels envious for Kalle and Jaana having a good time together at class.