Thundercover
E1
Max and Phoebe bring Chloe on an undercover mission in a new town, so she can experience life as a normal kid.
Faulty Powers
E2
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
E3
Chloe's mascot project fails due to Max and Phoebe's feud; twins learn how fighting affects Chloe.
The Parent Zap
E4
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
E5
Max bets Phoebe she can't turn off being a superhero and go on a normal date.
Cherry Bad Things
E6
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
E7
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
E8
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
E9
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
E10
Billy brings a new sidekick, to join the T-Force; but when they reject him, he turns evil.
Tide and Prejudice
E11
The former protector of Secret Shores arrives at the Thundermans' beach house.
Prank You Next
E12
Max seeks help dealing with a mystery prankster at school from his old principal, who was always the target of his pranks.
From Dust Till Dawn
E13
Chloe struggles with her leadership skills; when a villain attacks her school field trip, Max and Phoebe have to put Chloe in charge while they try to take down the villain and defuse his dangerous astronomical weapon.
Summer of Secrets
E14
Chloe must attend summer school, and Max is assigned to be her teacher. While they will be busy all summer, Phoebe goes solo with a new superhero named Captain Perfect.
I Know What You Did This Summer
E15
B.C. invites Chloe to a launch party at Splat By The Sea, at the same time Jinx and Booch invite Chloe to protest outside the party. Phoebe is keeping her work with Captain Perfect.
The Summer I Turned Giddy
E16
Upset that Phoebe has a new partner, Max decides to partner with his friend Gideon. But things backfire when Max tries to turn Gideon into a supersized superhero.
A Midsummer Knight's Scheme
E17
Max agrees to mentor Captain Perfect's younger sister, who is headed down the path of becoming a supervillain. She tries to become one of Mastermind's henchmen.
Cruel Summer
E18
Max and Phoebe are working well as a team, until he is accused of committing crimes and Phoebe must apprehend him.
Endless Summer
E19
Max pretends to turn evil to infiltrate Mastermind's henchmen and steal the Chip-Chucker, a device that previously turned him evil.
The Max of Life
E20
Max, who misses fame and attention, wants to make a name for himself again by breaking Booch's sandwich stack record. But Chloe wants to prevent her friend from losing the record title and challenges Max.
Love Is in the Lair
E21
The Mastermind Unmasked
E22
Episode 23
E23
Episode 24
E24
Episode 25
E25
Episode 26
E26