Go! Go! Loser Ranger! — Season 1

Tired of the Sunday Showdown charade, Fighter D decides to defeat the Rangers for real this time.

Fighter D reunites with Yumeko Suzukiri, who approaches him with an unexpected proposal.

Fighter D decides to infiltrate the Red Garrison with Yumeko, only to find himself in a tight spot.

In pursuit of Fighter D, Aran Hekiru, a Blue Junior Third Rank, discovers his connection to Hibiki.

Fighter D infiltrates the White Dragon's Nest in disguise and discovers someone in hiding.

Fighter D and Kai Shion work together to face off against Shun Tokita in the final exam.

Fighter D's plans go awry as Shion works with the other cadets on the second day of the exam.

Peltrola sneaks into the White Dragon's Nest, and meets Komachi Aizome of the Blue Squadron.

Fighter XX steps in to help Fighter D but is stopped by Blue Keeper with his Divine Artifact.

Peltrola retreats after an all-out fight with Blue Keeper, but is halted by the Junior First Ranks.

The cadets, Junior First Ranks, and Blue Keeper team up against Peltrola and their clones.

Fighter D engages in a head-to-head fight with Blue Keeper despite his overwhelming disadvantage.

Fighter D encounters Chidori, a peculiar man investigating a string of mysterious disappearances.

Fighter D and his squadmates encounter an enigmatic organization and are trapped in an illusion.

Fighter D and Hisui prepare for combat as the Green Squadron reunites with someone unexpected.

Fighter D turns the tide of the battle searching for a way back into the illusory school.

Fighter D continues his search for the boss monster Magatia with Hisui and Nishiki, a detective.

Fighter D begins executing his plan to take down the Green Keeper with Suzukiri's help.

While the Ranger Force's deception is revealed, a new organization begins to lurk behind the scenes.

Fighter D and Hisui confront Yakushi Usukubo, the Head Director of the Monster Protection Society.

Fighter D learns the shocking truth behind the Divine Artifacts, Dragon Keepers, and monsters.

The thread of fate connecting Hibiki and Sesera begins unraveling towards an unexpected outcome.

As the world is under attack by the Monster Army, Fighter D renews his resolve once again.

Fighter D decides to cooperate with the Ranger Force temporarily to corner Deathmecia.