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.