Season 1

Max and Phoebe bring Chloe on an undercover mission in a new town, so she can experience life as a normal kid.

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.

Chloe's mascot project fails due to Max and Phoebe's feud; twins learn how fighting affects Chloe.

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.

Max bets Phoebe she can't turn off being a superhero and go on a normal date.

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.

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.

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.

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.

Billy brings a new sidekick, to join the T-Force; but when they reject him, he turns evil.

The former protector of Secret Shores arrives at the Thundermans' beach house.

Max seeks help dealing with a mystery prankster at school from his old principal, who was always the target of his pranks.

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.

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.

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.

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.

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.

Max and Phoebe are working well as a team, until he is accused of committing crimes and Phoebe must apprehend him.

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

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