Phoebe hosts her first sleepover and is caught using telekinesis to save it from being a disaster. After she is punished, she is forced to wear an anklet that prevents her from using her powers so she turns to Max for help.
Max and Phoebe take Billy to the hospital when he hurts his thumb while they are babysitting him. After Max sees a needle and faints, they all must make sure the doctors don’t see his brain scan which could expose their powers.
The Thundermans enter a family competition to win a dream vacation, but they have different ideas about where to go. When they can't agree they enter as two different teams, boys vs. girls, with the winners getting to decide.
Hank becomes Max and Phoebe’s new science teacher. When he accidentally eats special turkey sandwiches that make him fall asleep at school, the twins must use their powers to help him get through his lesson plan to keep his job.
Phoebe and Max Thunderman seem to be regular teenage twins, but they're in a family of superheroes. Phoebe strives to be normal and use her powers for good, but Max embraces the dark side. Can life ever be normal in this family?