Probably best known on Western shores as the series that gets imported
into Power Rangers, these stories of heroes in many colors of spandex
have been going on for 35 years and counting. Unless noted otherwise,
each series listed below only contains a tiny number of fics.
Ninpuu Sentai Hurricanger: Three young ninjas
are the only survivors of their school after Space Ninjas invade.
Bakuryuu Sentai Abaranger: When monsters from
another dimension come to rampage on Earth, sentient
dinosaur mecha and their partners work to stop them. (Small)
Tokusou Sentai Dekaranger: Intergalactic
police officers battle bad guys set on taking over Earth.
GoGo Sentai Boukenger: The SGS foundation and
its adventurers seek to get their hands on artifacts before a few sets
of villains do.
Samurai Sentai Shinkenger: Samurai seek to
protect the world from the schemes of the Gedoshuu.
Kaizoku Sentai Gokaiger: Young pirates seek a
treasure that is on Earth, and become involved in the fight against the
Zangyack Empire. (Medium)