The Thundermans: Undercover

Overview
Twins Phoebe and Max Thunderman dive into an undercover mission to tackle a growing menace in the coastal town of Secret Shores. Bringing along their younger sister, Chloe, they aim to nurture her burgeoning superhero abilities. As Chloe befriends two classmates during their investigation of mysterious happenings at the local school, her new friends remain unaware of her hidden powers. With threats escalating, the Thunderman siblings find themselves grounded in town for the foreseeable future, forcing the bickering twins to step up and take charge of their sister’s training and safety.
Episodes
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1

Thundercover
Max and Phoebe take Chloe on a covert adventure in a new town, giving her the chance to live like an ordinary child for a while.
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2

Faulty Powers
After a mishap during training, Chloe's abilities become unstable. Max attempts to help her and mistakenly believes he has succeeded, leading Chloe to...
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3

Bummer School
Chloe, Jinx, and Booch are hard at work creating a school mascot, but the ongoing feud between Max and Phoebe disrupts their efforts. Frustrated, Chlo...
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4

The Parent Zap
When Phoebe and Max allow Chloe's friends to enjoy a horror movie and indulge in candy, Jinx and Booch's parents express a desire to meet Chloe's pare...
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5

Save the Date
Max challenges Phoebe to prove she can switch off her superhero persona for a regular date. With Chloe’s assistance, Phoebe prepares for the outing,...
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6

Cherry Bad Things
When Cherry drops by, Max learns that Phoebe still has her sparkle powers intact. Phoebe agrees to take them away and spends a fun girls' night with C...
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7

Not So Fast and Furious
A speedy new villain is causing chaos in Secret Shores, leaving Billy as the town's only chance of stopping her. However, after Billy's own speed unin...
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8

For Your Spies Only
Max and Phoebe go to Parent-Teacher Night, allowing Chloe to host her friends without any adults around. Meanwhile, Jinx stumbles upon the Air Lair an...
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9

No Friend in Sight
Chloe is beginning to feel overwhelmed by Max and Phoebe's constant presence, so she suggests they branch out and find new friends. Unbeknownst to her...
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10

All About Steve
Billy shows up excited, believing that his new partner Steve could become part of the T-Force. Phoebe and Max contemplate the idea but quickly realize...
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11

Tide and Prejudice
The previous guardian of Secret Shores shows up at the Thundermans' beach house and takes back his old residence. Phoebe, Max, and Chloe attempt to ta...
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12

Prank You, Next
When Max becomes the victim of a series of mysterious pranks at school, he turns to Principal Bradford for assistance. Despite his efforts, Max is una...
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13

From Dust Till Dawn
Chloe is reluctant to develop her leadership abilities. However, during a field trip, a villain strikes, aiming to steal a space geode. With Chloe nee...
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14

Summer of Secrets
Chloe has been skipping school to embark on adventures with her siblings, leaving her with a lot of catching up to do. As a result, she finds herself ...
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15

I Know What You Did This Summer
B.C. asks Chloe to attend a launch party, while Jinx and Booch urge her to join their protest outside the event. Eager to please everyone, Chloe attem...
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16

The Summer I Turned Giddy
Feeling betrayed by Phoebe's secret alliance with Captain Perfect, Max resolves to team up with his best friend Gideon as his new superhero partner. H...
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17

A Midsummer Knight's Scheme
Penny, Captain Perfect's little sister, is on the verge of embracing the life of a supervillain. Determined to steer her in a more positive direction,...
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18

Cruel Summer
Max goes on the run from Phoebe and Captain Perfect after being falsely accused of a crime, determined to clear his name.
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19

Endless Summer
Max fakes a descent into villainy to get inside Mastermind's inner circle and retrieve the Chip-Chucker, the gadget that had once corrupted him.
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20

The Max of Life
Feeling nostalgic for his days of fame and the admiration of fans, Max sets his sights on breaking Booch's impressive sandwich-stacking record to rega...
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21

Love Is in the Lair
Mrs. Wong comes to Secret Shores and threatens to expose the Thundermans' superhero identities to everyone. In an attempt to silence her, Max and Phoe...
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22
She's All Splat
As Cherry starts her job at Splat by Sea, Max convinces her to join a pretend dating scheme to score discounts at the eatery. Meanwhile, Chloe finds h...
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23
Party All the Crime
Chloe's birthday celebration gets called off, prompting Max and Phoebe to go head-to-head in organizing a new party for her. Meanwhile, Max's special ...
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24
The Mastermind Unmasked: Part 1
Max and Phoebe uncover the possibility that Lazlo Chance could be the sinister Mastermind. They turn to Chloe for assistance, but she finds herself co...
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25
The Mastermind Unmasked: Part 2
The Mastermind compels Chloe to swipe a magical amulet that will give him superhero abilities, prompting the Thundermans to band together to thwart hi...
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26
The Most Thunderful Time of the Year
Phoebe and Max engage in a friendly rivalry as they share their holiday tales during the Thundermans Story Slam. However, it's Chloe's heartfelt story...