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.
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Best Episodes of The Thundermans: Undercover
Cherry Bad Things
S1 Ep6
8.8
26th Feb 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; Cherry's powers malfunction, nearly blowing Phoebe's cover.
Bummer School
S1 Ep3
8.4
29th Jan 2025
Chloe's mascot project fails due to Max and Phoebe's feud; twins learn how fighting affects Chloe.
Tide and Prejudice
S1 Ep11
8.3
2nd Apr 2025
The former protector of Secret Shores arrives at the Thundermans' beach house.
Worst Episodes of The Thundermans: Undercover
All About Steve
S1 Ep10
7.6
26th Mar 2025
Billy brings a new sidekick, to join the T-Force; but when they reject him, he turns evil.
Save the Date
S1 Ep5
8.0
12th Feb 2025
Max bets Phoebe she can't turn off being a superhero and go on a normal date.
Thundercover
S1 Ep1
8.1
22nd Jan 2025
Max and Phoebe bring Chloe on an undercover mission in a new town, so she can experience life as a normal kid.
The Thundermans: Undercover Episode Guide
Thundercover
S1 Ep1
8.1
22nd Jan 2025
Max and Phoebe bring Chloe on an undercover mission in a new town, so she can experience life as a normal kid.
Faulty Powers
S1 Ep2
8.1
22nd Jan 2025
A training accident makes Chloe's powers faulty; Max tries to cure her and gets a misleading positive result, so she goes to a party; but his treatment actually creates brand new powers Chloe can't control.
Bummer School
S1 Ep3
8.4
29th Jan 2025
Chloe's mascot project fails due to Max and Phoebe's feud; twins learn how fighting affects Chloe.
The Parent Zap
S1 Ep4
8.2
5th Feb 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.
Save the Date
S1 Ep5
8.0
12th Feb 2025
Max bets Phoebe she can't turn off being a superhero and go on a normal date.
Cherry Bad Things
S1 Ep6
8.8
26th Feb 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; Cherry's powers malfunction, nearly blowing Phoebe's cover.
Not So Fast and Furious
S1 Ep7
8.2
5th Mar 2025
A new super-fast villain is wreaking havoc in Secret Shores; after Billy's speed accidentally triggers an avalanche, he decides to hang up his cape and retire.
For Your Spies Only
S1 Ep8
8.3
12th Mar 2025
Max and Phoebe attend a 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.
No Friend in Sight
S1 Ep9
8.3
19th Mar 2025
Chloe feels smothered and thinks it's because Phobe and Max need friends; Phoebe and Max accidentally make the same friend named Brenda and fight over her.
All About Steve
S1 Ep10
7.6
26th Mar 2025
Billy brings a new sidekick, to join the T-Force; but when they reject him, he turns evil.
Tide and Prejudice
S1 Ep11
8.3
2nd Apr 2025
The former protector of Secret Shores arrives at the Thundermans' beach house.
