Potion Commotion (Season 1, Episode 11)

Justin wants to be chosen for the World School Summit at the U.N., but he faces tough competition from a popular classmate Alex is infatuated with. Alex plans to use a love potion to make him fall in love with her, also helping Justin to sabotage his meeting. Unfortunately, Alex accidentally drinks the entire potion instead of just half and becomes obsessed with herself. After the potion wears off, it seems to have some after-effects; Alex mails herself mass amounts of flowers. Meanwhile, Max's wizard powers begin to develop, and he must wear a goofy hat to control them while his powers settle in.