Meet The Thundermans, a typical suburban family that happens to have astounding superpowers. At the center of the action are the 14-year-old Thunderman twins, who share the same bathroom, the same school, and the same annoying little siblings. Their only difference? The sister is a super student with a super sunny disposition who super looks forward to being a superhero someday, and her twin brother is a super villain.
Episode 1
Phoebe and Max Thunderman have to babysit their younger siblings, Billy and Nora Thunderman, while their parents, Hank and Barb go out to dinner. Phoebe invites her best friend Cherry over and accidentally exposes the families super power abilities. Meanwhile, Hank and Barb are out for dinner and Hank (Thunderman) has to replace a party entertainer.
Episode 2
A prank war between Max and Phoebe gets out of hand when Max pranks his sister on picture day at school and she finally decides to take on the family's troublemaker once and for all.
Episode 3
A family dinner with Phoebe's new crush goes awry when an uninvited guest crashes the festivities.
Episode 4
Max alters his report card and gets into an advanced class, where he battles Phoebe in a math bowl. Elsewhere, the family try to trap a newspaper bandit.
Episode 5
Max and Phoebe create some fun for themselves on Ditch Day.
Episode 6
The teens work at pizza shop and try to impress their boss, but Max gets in over his head and must join forces with Phoebe in order to fulfill a large order.
Episode 7
Phoebe volunteers to take home the class's Venus flytrap for the weekend; Max performs an experiment on a plant, causing it to grow continuously.
Episode 8
Phoebe plots revenge when Max wins the school election that she had been working for.
Episode 9
Billy and Nora’s science fair reignites an old rivalry in Phoebe and Max. Elsewhere, Barb attempts to catch Hank copying her book-club notes.
Episode 10
Hank creates a neighborhood watch group when crimes start happening. Max takes the blame for the mysterious crimes to hide his own secret, but Phoebe knows he is innocent and it's up to the family to catch the real criminal.
Episode 11
A comet makes the Thundermans' powers go wonky just as Phoebe's crush asks her to a school dance. phoebe and Max learn if they stick together they can keep their powers in check, but neither is too happy having the other around.
Episode 12
When the children ruin Hank's anniversary gift for Barb,they enlist the help of a family friend to help them fix it.
Episode 13
Phoebe gets the ability to sense danger and uses it to impress her classmates; Max tries to get pity gifts from Barb.
Episode 14
When Phoebe commits herself to too many activities, Max helps her by creating a clone.
Episode 15
Phoebe and Max wants to have a normal teenage birthday party; Mrs. Wong goes missing.
Episode 16
Phoebe is caught using telekinesis to save her first sleepover from becoming a disaster; Phoebe must wear an anklet that prevents her from using her powers.
Episode 17
Max and Phoebe work together to get even with a mean girl at school.
Episode 18
Max and Phoebe take Billy to the hospital when he hurts his thumb; Max faints when he sees a needle.
Episode 19
When the family can’t agree on where to go for their dream vacation, they enter a competition as two different teams, boys vs girls, with the winners getting to decide.
Episode 20
Hank falls asleep having eating special turkey sandwiches as he teaches at Max and Phoebe’s school.
