Ray's friend, who was accidentally turned invisible, shows up for a visit, but he quickly overstays his welcome. Meanwhile, Jasper fixes up Piper's old doll-house in the backyard.
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 Valentine's 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's plans for a day of fun are derailed when Jasper accidentally triggers the emergency lock down mode for Junk-N-Stuff and the Man Cave, trapping everyone inside.
Captain Man attempts to boost his image by holding a contest where three winners get a tour of his secret lair. When Henry's friends are among the winners, Henry becomes concerned for his secret identity.
Henry finds himself in danger when he realizes Dr. Minyak has transformed Charlotte into a super strong being set to capture Kid Danger and Captain Man. Or be captured by Dr. Minyak
When Kid Danger and Captain Man battle The Time Jerker, Kid Danger accidentally falls into the Time Jerker's time machine and relives the same day over again.
Henry is jealous when Jasper becomes a local hero for inadvertently capturing a criminal, so Henry tries to make a name for himself by fighting crime without using his Kid Danger identity.