A 13-year-old boy lands a job as a sidekick to a superhero, and he must now keep his identity a secret.

As Henry tries to adjust to his new role as Kid Danger, he struggles to balance his schedule between crime fighting, school, family and friends.

Henry's life as Kid Danger is threatened when Charlotte grows suspicious about the secrets he has been keeping.

Captain Man loses his powers of invulnerability and he becomes too afraid to fight crime.

When Jasper is Kid Danger for Halloween, Captain Man mistakes him being Kid Danger instead of Henry. So it is now up to Jasper to save Halloween.

When a piece of rock from outer space is more than it seems, trouble follows Henry to his home.

An accusation prevents Henry from being invited to a girl's birthday party.

Henry believes that he was replaced on the basketball team by an older boy.

A device in the man cave meant to make men stronger, more powerful, and "manlier", strikes Henry when he accidentally pushes a button on the machine. The effect makes him grow facial hair and increases his adrenaline making him angry, eventually turning him "beastly." Captain Man, Schwoz, and Charlotte rush to find Henry but do not arrive before his crazy behavior ruins his date with Chloe.

Captain Man's invisible friend named Brad visits as Henry and Charlotte meet him. Things get worse when Brad wants to become Captain Man's new sidekick by trying to get Henry to quit. Meanwhile, Jasper fixes up Piper's old playhouse in the backyard so that it can be sold in order for Piper to get a Yo-Pro Camera.

Henry and Captain Man must deal with the Spoiler, an annoying new teenage supervillain that finds out the endings of TV shows and movies and tells people about it before they see it. Meanwhile, Piper tries to get into the Man Fans (a Captain Man fan club) led by Paula Makioto and goes through the initiation process with the latest one involving get a selfie with Captain Man.

Henry is volunteered to be on the game show "Spin and Win" in order to investigate a string of robberies of prizes stolen from the winners of the show. Meanwhile, Jasper gets a broken nose after Piper accidentally hits him with a "selfie stick" when fighting with an usher.

Henry and Ray think the world is ending when a dormant super volcano under Swellview becomes active. Piper is convinced that she has gluten intolerance.

When Henry's crush goes on a date with someone else, Schwoz provides an android to make her jealous. Ray has an unpleasant date with one of Henry's teachers.

Henry, Charlotte and Ray are trapped inside when Jasper accidentally triggers the emergency lockdown mode for Junk-N-Stuff and the Man Cave.

Kid Danger rescues Bianca and they share a kiss. Henry is upset when he realizes that Bianca kissed Kid Danger.

After Henry's mother's purse is stolen, Captain Man decides he must move in with Henry's family in order to protect them.

A villain's dream beam traps Henry in a dream state from which only Charlotte can rescue him.

Henry gets grounded by his parents for sneaking out. While he and Piper are grounded, a deal is made that if they can go through 24 hours without arguing, they can be ungrounded where failure has their grounding extended to a month. While Henry is indisposed, Charlotte fills in as the acting Kid Danger to help Captain Man out.

Captain Man tries to boost his image by holding a contest where three winners get a tour of his secret lair.

Henry and Charlotte want to tell Jasper that Henry is really Kid Danger, so they decide to give him a test secret to prove that he is ready.

A graffiti gang is spray-painting all over Swellview. While trying to track down a gang leader, Kid Danger is tempted by a cute girl in the gang.

Captain Man searches desperately for his missing sidekick after Kid Danger goes rogue and joins a gang of graffiti artists.

When Jasper's summer camp girlfriend comes to town, she quickly grows jealous thinking that Charlotte is in love with Jasper.