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The Thundermans: Undercover S1E25 — The Mastermind Unmasked: Part 2
9.3
The Thundermans: Undercover•Season 1•Episode 25

The Mastermind Unmasked: Part 2

9.3/10 · 79 votesOct 15, 202522 min

Ranked #11 of 26 in Season 1•+0.5 vs season avg

Discussion

When The Mastermind 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.

Previous episodeE24 · The Mastermind Unmasked: Part 1Next episodeE26 · The Most Thunderful Time of the Year
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Cast7

Kira Kosarin

Kira Kosarin

Phoebe Thunderman

Jack Griffo

Jack Griffo

Max Thunderman

Maya Le Clark

Maya Le Clark

Chloe Thunderman

N

Nathan Broxton

Jinx

K

Kinley Cunningham

Kombucha

Daran Norris

Daran Norris

Thunderford

Dana Snyder

Dana Snyder

Dr. Colosso

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Episode Summary

"The Mastermind Unmasked: Part 2" is episode 25 of The Thundermans: Undercover season 1. It scored 9.3/10 from 79 votes, ranking #11 of 26 episodes this season (season average 8.8). It aired on October 15, 2025.

Next: E26 · The Most Thunderful Time of the YearBest of Season 1