The WORST episodes of The Thundermans: Undercover

#1 - Summer of Secrets

Season 1 - Episode 14 - Aired 7/17/2025

Chloe has been missing school by going on missions with her siblings. She now has to go to summer school to catch up on everything she has missed. Max, acting as the substitute for summer school, has a new student who agrees to tutor her.

#2 - The Most Thunderful Time of the Year

Season 1 - Episode 26 - Aired 12/17/2025

#3 - The Mastermind Unmasked (2)

Season 1 - Episode 25 - Aired 10/15/2025

When B.C. 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.

#4 - The Mastermind Unmasked (1)

Season 1 - Episode 24 - Aired 10/8/2025

Max and Phoebe discover that Lazlo Chance may be the evil Mastermind and enlist Chloe to help. But when Chloe is torn between her head and her heart, it threatens the entire mission.

#5 - Party All The Crime

Season 1 - Episode 23 - Aired 10/1/2025

Chloe's birthday party is cancelled, and Max and Phoebe compete to throw her a new one. When Max's time-stopping birthday gift falls into the wrong hands, he must work with Phoebe to stop some party poopers from ruining Chloe's birthday.

#6 - She's All Splat

Season 1 - Episode 22 - Aired 9/24/2025

With Cherry working at Splat by Sea, Max ropes her into a fake dating scheme to score discounts at the restaurant. Chloe faces a tough choice between winning a trivia competition or supporting her brother Billy when he wants to join her team.

#7 - Love is in the Lair

Season 1 - Episode 21 - Aired 9/17/2025

Mrs. Wong visits Secret Shores, and threatens to reveal the Thundermans' superhero identities to the town. But Max and Phoebe's plan to have Dr. Colosso keep her quiet backfires in ways they could not have imagined.

#8 - The Max of Life

Season 1 - Episode 20 - Aired 9/10/2025

Max misses being famous and having fans, so he decides to break Booch's sandwich-stacking record to be famous again. Chloe rallies behind Bootch so that she can take back her record.

#9 - Endless Summer

Season 1 - Episode 19 - Aired 7/31/2025

Max pretends to turn evil to infiltrate Mastermind's henchmen and steal the Chip-Chucker, a device that previously turned him evil.

#10 - Cruel Summer

Season 1 - Episode 18 - Aired 7/31/2025

Max flees from Phoebe and Captain Perfect to prove his innocence when he is wrongly accused of committing a crime.

#11 - A Midsummer Night's Scheme

Season 1 - Episode 17 - Aired 7/24/2025

Captain Perfect's younger sister, Penny, is headed down the path of becoming a supervillain. Eager to impress Captain Perfect, Max takes it upon himself to guide her toward a better path.

#12 - The Summer I Turned Giddy

Season 1 - Episode 16 - Aired 7/24/2025

Upset that Phoebe secretly partnered with Captain Perfect, Max decides to have a new superhero partner, his best friend Gideon. But things go wrong when Max tries to make Gideon a better superhero.

#13 - I Know What You Did This Summer

Season 1 - Episode 15 - Aired 7/17/2025

B.C. invites Chloe to a launch party, and at the same time Jinx and Booch invite Chloe to protest outside the party. Not wanting to hurt anyone's feelings Chloe tries to do both. Phoebe is keeping her working with Captain Perfect a secret from Max.

#14 - Thundercover

Season 1 - Episode 1 - Aired 1/15/2025

Phoebe and Max are assigned a mission in their new hi-tech beach home base, where their superhero identities remain a secret. They bring Chloe along to help her have a normal life, but the trio must stop the threats of Secret Shores and the true supervillain known as the Mastermind.

#15 - From Dust Till Dawn

Season 1 - Episode 13 - Aired 4/16/2025

Chloe doesn't want to learn leadership skills. But when a villain attacks her field trip trying to steal a space geode, Max and Phoebe have to put Chloe in charge while they try to take down the villain and defuse his dangerous astronomical weapon.

#16 - Prank You, Next

Season 1 - Episode 12 - Aired 4/9/2025

After Max is targeted by a mystery prankster at school, he seeks help from Principal Bradford. But Max fails to stop the pranks and quits the mission in embarrassment, prompting Chloe to confess that she was the prankster all along.

#17 - Tide and Prejudice

Season 1 - Episode 11 - Aired 4/2/2025

The former protector of Secret Shores arrives at the Thundermans' beach house and reclaims it as his home. Phoebe, Max, and Chloe try to reason with him, but when a protest at the school goes wrong, the former hero proves more harmful than helpful.

#18 - All About Steve

Season 1 - Episode 10 - Aired 3/26/2025

Billy arrives, hopeful that his new sidekick Steve can join the T-Force. Phoebe and Max consider it, but soon discover that his superpower is making marshmallows. After they reject Steve's bid to join the team, he turns evil and vows revenge.

#19 - No Friend in Sight

Season 1 - Episode 9 - Aired 3/19/2025

Chloe feels smothered by Max and Phoebe, and encourages them to make new friends. However, the twins unwittingly make the same friend, and begin a battle for the ages over her. Chloe's new alone time is interrupted by living room-crashing pelican.

#20 - For Your Spies Only

Season 1 - Episode 8 - Aired 3/12/2025

Max and Phoebe attend Parent-Teacher Night, leaving Chloe to have friends over without adult supervision. Jinx finds the Air Lair and believes spies are targeting the school, and his meddling puts Max and Phoebe's school jobs at risk.

#21 - Not So Fast and Furious

Season 1 - Episode 7 - Aired 3/5/2025

A new super-fast villain is wreaking havoc in Secret Shores, and Billy is the only hope at tracking her down. After Billy's speed accidentally triggers an avalanche, however, he decides to hang up his cape and retire from being a superhero.

#22 - Cherry Bad Things

Season 1 - Episode 6 - Aired 2/26/2025

Cherry visits and Max discovers Phoebe never took her sparkle power away. Phoebe promises to do so and has a girls' night with Cherry while Max hosts Jinx. Colosso gets jealous, and Cherry's powers malfunction, nearly blowing Phoebe's cover.

#23 - Save the Date

Season 1 - Episode 5 - Aired 2/12/2025

Max bets Phoebe she can't turn off being a superhero and go on a normal date. Chloe helps Phoebe do well on the date, but Max tries to sabotage by crying wolf. Suddenly, a real supervillain emerges and puts Max and Chloe in serious danger.

#24 - The Parent Zap

Season 1 - Episode 4 - Aired 2/5/2025

After Phoebe and Max let Chloe's friends watch a horror movie and eat candy, Jinx and Booch's parents want to meet Chloe's. With Hank and Barb away, Max and Phoebe transform into them to help Chloe. It goes well until the real Hank and Barb show up.

#25 - Bummer School

Season 1 - Episode 3 - Aired 1/29/2025

Chloe, Jinx, and Booch are designing a school mascot, but Max and Phoebe's feud over their jobs ruins the project. Chloe reads them the riot act, and the twins realize their twin-fighting affects Chloe now that they're guardians.