The Thundermans: Undercover


The Thundermans: Undercover is an American comedy television series developed by Jed Spingarn, Sean W. Cunningham, and Marc Dworkin, serving as a spinoff and sequel to The Thundermans and The Thundermans Return. The series premiered on Nickelodeon on January 11, 2025, as a sneak peek following the network's alternate broadcast of an NFL on Nickelodeon#AFC [Wild Card Playoff game – January 11, 2025|NFL Wild Card game]. It later premiered officially on January 22, 2025.

Premise

Following the events of The Thundermans Return, The Thundermans: Undercover follows Phoebe and Max, who are sent undercover to handle a new threat in the seaside town of Secret Shores and bring Chloe along with them to develop her superhero talent and make friends. This new threat soon involves the mysterious villain Mastermind who is plotting to create a new incarnation of the Villain League by calling all villains to come to Secret Shores.

Cast

Main

  • Kira Kosarin as Phoebe Thunderman, one half of the Thunder Twins. When undercover in Secret Shores, Phoebe works as the art teacher at Secret Shores School despite being bad at art as seen in the original series. She possesses heat and freeze breath, telekinesis, and 'thunder sense'.
  • Jack Griffo as Max Thunderman, one half of the Thunder Twins. When undercover in Secret Shores, Max works as the vice principal at Secret Shores School. Since he is Phoebe's twin, he has the exact same powers she has.
  • Maya Le Clark as Chloe Thunderman, the youngest sister of Phoebe and Max who can teleport
  • Nathan Broxton as Jinx, one of Chloe's friends in Secret Shores who is accident-prone and a quick-learner of different technologies. By "The Mastermind Unmasked" Pt. 2, Jinx learns about Chloe's superhero identity.
  • Kinley Cunningham as Kombucha "Booch", one of Chloe's friends in Secret Shores who is a spiritualistic hippie that lives in a beach yurt with her family. By "The Mastermind Unmasked" Pt. 2, Kombucha learns about Chloe's superhero identity.

Recurring

  • Daniele Gaither as Super President Kickbutt, the leader of the Hero League that the Thundermans answer to
  • Daran Norris as Thunderford, Max, Phoebe, and Chloe's virtual assistant at their condo. The episode "Tide and Prejudice" revealed that Thunderford was known as Waterford when High Tide originally lived in the condo.
  • Dana Snyder as the voice of Dr. Colosso, a supervillain who is trapped in the form of a rabbit that is owned by the Thundermans. The episode "All About Steve" reveals that Dr. Colosso's first name is Ebenezer. Snyder also portrays Dr. Colosso's human form in "Love Is in the Lair".
  • * Joe Echallier, Agnieszka Echallier, and Glenn Williams serve as the puppeteers of Dr. Colosso's rabbit form
  • Michael Delleva as Wayland, the manager of Splat By-The-Sea. The episode "The Max of Life" reveals that Wayland doesn't have taste buds.
  • John Murphy as Superintendent Ferguson, the superintendent of all of Secret Shores schools who is known for firing anyone who disappoints him. In "Summer of Secrets", Ferguson fires Principal Taylor and becomes a temporary principal of Secret Shores School until he can find a permanent replacement.
  • Ian Ho as Bryson "B.C." Chance / Mastermind, a student temporarily staying in Secret Shores who Chloe befriends. In the two-part episode "The Mastermind Unmasked", he revealed himself to be the Mastermind, a mysterious supervillain who is planning to start a new incarnation of the Villain League in Secret Shores and become the most powerful supervillain. Prior to B.C.'s true colors being revealed, Mastermind was performed by Nikolai Witschl and voiced by Darin De Paul.
  • Jedidiah Goodacre as Captain Perfect / Peter Perfect, a superhero with super-agility, rope-flight abilities, and an assortment of gadgets who was dispatched to Secret Shores by Super President Kickbutt to supervise the Thunder Twins' mission smoothly
  • Diego Velazquez as Billy Thunderman, the brother of Phoebe, Max, and Chloe who possesses super-speed
  • Chris Tallman as Hank Thunderman, the father of Phoebe, Max, and Chloe with flight and super-strength
  • Rosa Blasi as Barb Thunderman, the electrokinetic mother of Phoebe, Max, and Chloe
  • Helen Hong as Mrs. Wong, the proprietor of Splatburger who also owns Splat By-The-Sea

Guest

  • Ryan Ochoa as Malware, a supervillain with a sentient Giga Gauntlet who is wanting to join Mastermind's incarnation of the Villain League
  • Jennifer Spence as Principal Taylor, the principal of Secret Shores School. She gets fired in "Summer of Secrets".
  • Katrina Reynolds as Adele, Jinx's mother
  • Toby Berner as Randy, Kombucha's father
  • Tony Alcantar as Brain Freeze, an ice cream vendor-themed villain auditioning to be part of Mastermind's Villain League whose gun induces Brain Freeze on anyone
  • Audrey Whitby as Cherry Seinfield, Phoebe's best friend who still has her spark-based abilities from the reunion movie
  • Lilimar Hernandez as Kitty Klaw, a cat-themed supervillain and master thief with lightning-fast cheetah powers who is auditioning to join Mastermind's incarnation of the Villain League.
  • Jessica Marie Garcia as Brenda, an athletic barista and latest inhabitant to Secret Shores who Phoebe and Max try to befriend
  • Max Malas as Steve, a Hero League student with the ability to create marshmallows and s'mores
  • Geno Segers as High Tide, an aquatic superhero and the former protector of Secret Shores that used to live in the condo that Phoebe, Max, and Chloe moved in to
  • Jeff Meacham as Principal Tad Bradford, the principal of Hiddenville High School
  • Ben Francis as Stardust, a supervillain working for Master who can generate and become dust
  • Christian Lagasse and Sandra Shapiro as Pop and Lock, a former breakdancing duo-turned-criminals working for Mastermind who specialize in hand-to-hand combat
  • Ajay Banks as Professor Portal, a portal-generating supervillain working for Mastermind
  • Kenny Ridwan as Gideon, a friend of Max
  • Pyper Braun as Penny, the younger sister of Captain Perfect who is also an expert at using different gadgets
  • Gabrielle Nevaeh Green as Kiefer, the lead henchman of Mastermind who serves as the Villain League's recruiter
  • Jonathan Vellner as the unnamed assistant henchman of Kiefer
  • Alexander Brophy as Weird Frank, a weird kid who Jinx gives his mother's radish loaf to
  • Brenda Crichlow as Nana Jinx, the grandmother of Jinx
  • Ryan Mah as Lazlo Chance, the founder and owner of Chance Technologies
  • Viola Abley as Bria, a member of the acrobatic Flip Sisters
  • Anna McNulty as Lexi, a member of the acrobatic Flip Sisters
  • Peter Kelamis as Cave Guardian, a long-living inhabitant of a cave beneath Secret Shores who guards the Power Amulet that can copy any superpowers
  • Addison Riecke as Nora Thunderman, the sister of Phoebe, Max, Billy, and Chloe who possesses laser vision. She was studying abroad during most of the first season and showed up in person in "The Most Thunderful Time of the Year".

Production

Following the success of The Thundermans Return, a spinoff series was announced on May 16, 2024. Production began in August 2024 in Vancouver, British Columbia. The first season was ordered for 26 episodes, according to the Writers Guild of America directory listing, and the final episode of the season received its credits on January 10, 2025. It premiered on January 11, 2025, as a sneak peek promotion but officially began airing on January 22, 2025.

Reception

Fernanda Camargo of Common Sense Media gave the series a 2 out of 5 stars, stating that "watching The Thundermans: Undercover sometimes feels like seeing a show that tries to address previous criticisms, but ends up falling into the same traps," comparing this show to the original series.