1. Adina always accidentally walk in on Jay, Kai, Zane and Cole when they're changing.

2. Sapphire has accidentally put a dead fish in Alya's locker that was meant for Chloé Bourgeois.

3. One time when Ling was 15, she has put salt in her cereal at a restaurant.

4. Luna has kicked Todd when he was minding his own business.

5. Scarlet had her period during a festival which caused her to get laughed at by other teens. Hiccup had to take her home and comfort her.