In Swellview treibt der Spoiler sein Unwesen, der allen den Spaß raubt, in dem er das Ende von Filmen verrät. Als er bei der Weltpremiere von „Galaxy Wars Neun“ auftaucht, legen Captain Man und Kid Danger ihm das Handwerk.
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 e Ray devono vedersela con un nuovo cattivo particolarmente importuno: il Guastafeste. Piper ce la mette tutta per entrare in un noto fan club di Capitan Man.
Un adolescente llamado "El Soplón" va a dar el final de una película, Henry y Ray deben detenerlo. Mientras, la capitana del Fanman (Club de Fans de Capitán Man) no quiere dejar a Piper, sin hacer cosas a cambio.
