The Thundermans: Undercover
Overview
Twins Phoebe and Max Thunderman embark on a mission to alleviate the threat in the seaside town of Secret Shores, as well as helping Chloe develop her superhero abilities by bringing her along on their undercover mission. Chloe forms a bond with two classmates while they investigate suspicious activity coming from the local school, who don’t realize their new friend has secret powers. As the danger increases, the Thunderman trio must stay in town indefinitely, leaving the squabbling twins in charge of raising their younger sister.
About The Thundermans: Undercover (2025)
First broadcast in 2025, The Thundermans: Undercover is a action & adventure, kids and sci-fi & fantasy show aired by Nickelodeon. It was created by Jed Spingarn. The main cast includes Kira Kosarin, Jack Griffo, Maya Le Clark, Nathan Broxton and Kinley Cunningham. The show has 2 seasons and 39 episodes and is currently listed as "Returning Series" with the most recent episode airing on December 17, 2025. Viewers rate it 8.4/10 on TMDB from 39 votes.
Every season and episode of The Thundermans: Undercover is available to stream free in HD on MyFlixer. Pick a season and episode above, press Watch Now and choose a server. Fans of the show also watch Teen Titans, Mighty Med and The Thundermans.
Where to watch The Thundermans: Undercover Season 1 Episode 1 online free →
