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 a suspicious new student shows up at school, Charlotte and Henry think he may be up to something. Captain Man goes undercover as a substitute teacher to learn more.

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.

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

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.

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

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