The Thundermans: Undercover

Where to Watch The Thundermans: Undercover Season 1 Episode 25 Online Free - The Mastermind Unmasked: Part 2

The Thundermans: Undercover Season 1 Episode 25, titled "The Mastermind Unmasked: Part 2", is ready to stream on MyFlixer. Watch the full episode in HD without signing up, and use the Season and Episode buttons beside the servers to jump anywhere in the action & adventure series.

The Thundermans: Undercover is a action & adventure, kids and sci-fi & fantasy series that first aired on January 22, 2025 on Nickelodeon. Created by Jed Spingarn, it stars Kira Kosarin, Jack Griffo, Maya Le Clark and Nathan Broxton. So far it spans 1 season and 39 episodes and its current status is "Returning Series". Season 1 has 26 episodes, and episode 25 originally aired on October 15, 2025 with a runtime of about 22m. The show holds a 8.4/10 rating on TMDB.

In this episode: 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.

If a server does not load, try the next one; each host mirrors the same episode in HD. Below you will find every episode of Season 1 plus related series like Teen Titans, Mighty Med and The Thundermans that MyFlixer viewers watch next.

The Thundermans: Undercover Season 1 FAQ

Is The Thundermans: Undercover Season 1 Episode 25 free to watch on MyFlixer?

Yes. Every episode of The Thundermans: Undercover, including Season 1 Episode 25, streams free in HD on MyFlixer (MyFlixerz) with no registration.

How many episodes are in Season 1 of The Thundermans: Undercover?

Season 1 of The Thundermans: Undercover has 26 episodes, and all of them are listed on this page with direct watch links.

When did The Thundermans: Undercover Season 1 Episode 25 air?

Episode 25 of Season 1 ("The Mastermind Unmasked: Part 2") first aired on October 15, 2025.

Can I watch The Thundermans: Undercover on my phone or TV?

Yes. The MyFlixer player works in any modern browser on Android, iPhone, iPad, laptops, desktops and smart TVs, with no app to install.