The spin off revolves around Phoebe, Max, and Chloe, who are tasked with investigating a new threat in the town of Secret Shores. While on this mission, they aim to nurture Chloe's superhero abilities.

The Thundermans: Undercover

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Live Action • 2025 • U

Max and Phoebe take Chloe on an undercover mission to Secret Shores to experience life as a normal kid. When a new supervillain threat emerges, they must stay in town longer than expected.

The Thundermans: Undercover S1 Ep01

After a training accident glitches Chloe's powers, Max and Phoebe search for a cure. Max's treatment seems to work, so Chloe attends a party, but it creates new uncontrollable powers.

The Thundermans: Undercover S1 Ep02

Chloe, Jinx, and Booch design a new school mascot, but Max and Phoebe's fighting ruins the project. Chloe's anger makes them realize their twin-fighting affects her differently now that they're guardians.

The Thundermans: Undercover S1 Ep03

After Phoebe and Max let Chloe's friends watch a horror movie, Jinx and Booch's parents want to meet Chloe's. Max and Phoebe transform into Hank and Barb to help Chloe, but the real Hank and Barb show up.

The Thundermans: Undercover S1 Ep04

Max bets Phoebe she can't turn off being a superhero and go on a normal date. Chloe helps Phoebe, but Max tries to sabotage it by crying wolf. A real supervillain emerges, putting Max and Chloe in danger.

The Thundermans: Undercover S1 Ep05

The Thundermans: Undercover S1

Mrs. Wong visits Secret Shores, and threatens to reveal the Thundermans' superhero identities to the town. But Max and Phoebe's plan to have Dr. Colosso keep her quiet backfires.

The Thundermans: Undercover S2 Ep08

Cherry gets pulled into Max’s fake dating plan for restaurant perks, while Chloe must choose between a trivia win and supporting her brother Billy.

The Thundermans: Undercover S2 Ep09

After Chloe's birthday party is cancelled, Max and Phoebe throw her a new one. When Max's time-stopping birthday gift falls into the wrong hands, he must work with Phoebe to stop some party poopers.

The Thundermans: Undercover S2 Ep10

Max and Phoebe discover that Lazlo Chance may be the evil Mastermind and enlist Chloe to help. But when Chloe is torn between her head and her heart, it threatens the entire mission.

The Thundermans: Undercover S2 Ep12

When B.C. forces Chloe to steal a magical amulet that grants him superhero powers, the Thundermans unite to stop his plan. Chloe must reveal her identity to save her friends.