The Thundermans: Undercover

Where to Watch The Thundermans: Undercover Season 1 Episode 24 Online Free - The Mastermind Unmasked: Part 1

Looking for where to watch The Thundermans: Undercover Season 1 Episode 24 ("The Mastermind Unmasked: Part 1") online? MyFlixer streams it free in HD. Press play above; if the first server is slow, switch to another one with a single click and the episode continues without a page reload.

The Thundermans: Undercover is a action & adventure, kids and sci-fi & fantasy series that first aired on January 22, 2025 on Nickelodeon. Kira Kosarin, Jack Griffo, Maya Le Clark and Nathan Broxton lead the cast of the show created by Jed Spingarn. So far it spans 2 seasons and 39 episodes and its current status is "Returning Series". Season 1 has 26 episodes, and episode 24 originally aired on October 8, 2025 with a runtime of about 22m. The show holds a 8.4/10 rating on TMDB.

What happens in "The Mastermind Unmasked: Part 1": Max and Phoebe discover that Lazlo Chance may be the evil Mastermind and enlist Chloe to help, but Chloe is torn between her head and her heart.

Use the Season and Episode selectors next to the server buttons to move to any other episode of The Thundermans: Undercover without reloading the page. The complete Season 1 episode list is below, and viewers who follow The Thundermans: Undercover on MyFlixer also stream Teen Titans, Mighty Med and The Thundermans.

The Thundermans: Undercover Season 1 FAQ

Is The Thundermans: Undercover Season 1 Episode 24 free to watch on MyFlixer?

Yes. Every episode of The Thundermans: Undercover, including Season 1 Episode 24, 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 24 air?

Episode 24 of Season 1 ("The Mastermind Unmasked: Part 1") first aired on October 8, 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.