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An anime character sparks a friendship between Jinpei and new transfer student Koma, who encourages Jinpei to pursue the girl of his dreams.

Mataro is psyched to be at Y Academy but learns the school has some troubling elements, like fights in the hallway and a supernatural peeping tom.

Fubuki experiences a series of confusing and repetitive mishaps that center around an unfortunate morning encounter with dog poop.

Soccer star Sakata is acting sloppily and Mataro suspects that one of the school's mysteries is to blame. It's time for a YSP club investigation.

In order to obtain some fortune-predicting chocolate, Jinpei and his pals join a very long line. But an upperclassman beats them to the punch.

Jinpei meets George Rukasu, a director at the school's film club. Later, George shows him some shocking footage of what he thinks is a real zombie.

Jinpei’s gang uncovers the school’s final mystery: Toiletta. Mataro gets a head start after he goes to the bathroom and is sucked down a toilet.

The YSP Club's recent spike in popularity angers the student council president. Meanwhile, Jinpei and his pals investigate an indestructible building.

After failing an exam, Jinpei and his friends must attend a prison-like re-education camp. They decide to break out, but escape may be impossible.

News editor Nena Tokuda asks the YSP Club about an invisible, delinquent-like being she's covering. They follow the trail to someone unexpected: Mera.

The school asks the YSP Club to test-run its recently repaired giant robot. But a jealous would-be pilot from another club wants the job for himself.

Fubuki takes her friends to the Future Science Club to see its new robotic exoskeleton. But they're shocked when it suddenly starts moving on its own.

The school principal wants to get rid of a smutty book before his daughter finds it. But each time he throws it away, it mysteriously returns to him.

A school event gives Jinpei and his pals a chance to test-play a VR game. It starts out fun, but soon a siren in the real world signals danger.

The YSP Club enters the Quiz Research Club's contest, hoping to win the million-yen prize. But Jinpei and his pals are up against a tough opponent.

Ms. Enra tasks the YSP Club with heading to the next Y Circle. Meanwhile, the school's disciplinary committee puts Kumako’s team under quarantine.

After Koma starts acting funny, his friends discover he's got a crush on his pretty new study buddy Saori and help him to confess his feelings to her.

After wreaking havoc at the Y-Mart, Jinpei and his pals must work on-site to repay the damage. They soon notice the place gets some weird customers.

Jinpei encounters a member of the similarly named "ESP Club," who challenges him to a supernatural battle. He must win or his club will lose its name.

Ms. Enra shows the YSP Club some strange footage, leading Jinpei to suspect the normally helpful Mr. Usumizawa is behind the Onryo’s erratic behavior.

The YSP Club gets an inquiry from a girl who sees the same strange dream every night. Jinpei takes her to a new club that researches reincarnation.

After vlogger Yokokin visits Y Academy, Jinpei gets jealous of his fame and decides to make some videos of his own. But his ideas are pretty boring.

Ranto Kirigakure needs a powerful ally to combat the draconian Public Morals Committee and, together with the YSP Club, approaches the school's mafia.

After changing into the fearsome Sky Snaker, Chiaki literally blows Jinpei away. Jinpei transforms into Blue Moon, but can't really fight back.

Jinpei and his pals suspect that extraterrestrial forces are possessing Nayu and decide to investigate her, leading them to a team of female hackers.

Lots of boys are stopping by Ranto's classroom to check out the beautiful new transfer student. But she seems oddly interested in Ranto himself.

After the Public Morals Committee shuts down Y Lab, former member Haruki joins Mataro's superhero club, but a powerful watch soon sparks conflict.

Summer vacation is here, so Jinpei and the other students still in the dorms decide to go camping. Nayu prepares to ensure they have a terrible time.

Y Academy is abuzz with news about the escape of their well-known gorilla. Meanwhile, Jinpei and his friends hunt for a fabled mushroom in the forest.

For summer vacation, Ryusuke heads home to his family's countryside manor. Despite being in familiar surroundings, he senses that something is off.

After Koma doesn't come home one day, his mother shows up at Y Academy. She seems very kind and gentle, but there's another side to her personality.

At the start of a new term, the YSP Club investigates a slew of recent alien sightings, noticing that the same thing has gone missing from each site.

Ranto visits a fortified research facility to bring back the Y Lab and investigate Nayu. Jinpei and his friends witness a hair-raising transformation.

Kuka reveals her true identity to her friends at the new Y Lab. She then has them place beacons around the school to root out the alien on campus.

Heading to the third Y Circle in search of a new addition to the team, Jinpei and his pals underestimate the desert heat and call Ranto for help.

Jinpei, Koma and Mataro notice that they are feeling strangely forgetful of late. Meanwhile, the Onryo try to escape from Elzemekia's barrier.

A terrifying feline monster chases Jinpei around the school. Just as the beast has him cornered, Kuka arrives on the scene with a useful invention.

Earth Walker swiftly repels the enemy, but Elzemekia threatens to erase Ranto from existence. A familiar but unexpected face comes to the group’s aid.

Nayu recounts what happened to her home planet. When the newly formed student council puts pressure on Eruna, she responds with a drastic declaration.

After Eruna captures Ema, Ranto forms a special spy team to infiltrate the tower, destroy the mind-control machine and rescue their friend.

Chiaki recognizes a team of invading alien canines. Ema tries to return a dropped medal to Jinpei as he is transforming, but something goes wrong.

Mataro awakens to discover that the entire school has been whisked away to the middle of a vast desert. Ryusuke and Chiaki try to find their bearings.

Eruna easily takes over the entire world. Jinpei and his friends try to transform but discover that their watches don't work within the castle walls.

With time running out for Ranto, Nayu proposes destroying the transformation-preventing machine and reveals the surprising key to success: Mataro.

As Ranto's punishment draws near, his friends and allies divide into platoons and begin their invasion of Eruna's highly fortified castle.

Junpei and his pals prepare for the aliens' return. Meanwhile, Mr. Usumizawa finds a book that tells the tragic tale of a queen on an icy planet.

Willing to do anything to protect her home world, Elzemekia attacks the school. Earth Walker and Deep Shadow Galaxy team up to put a stop to her.

When the principal announces a school festival, the student council reforms to help make it a success — and also to prepare for the next alien attack.

With just 10 minutes until the aliens attack, the YSP members must delay the impending assault and power up. Koma and Jinpei's mentor arrives to help.

The YSP heroes fly off to take down enemies placed at volcanoes around the globe, but the speedy battle exhausts Jinpei so much that he falls asleep.

Jinpei and Koma combine into their strongest form and pursue Mazera Bolt to the school building. But the fight seems futile even with Ranto's backup.

In his new Black Cat form, Jinpei and his friends prove more than a match for Mazera Bolt. But their plan to destroy the black hole hits a snag.

Flustered by an encounter with Jinpei's doppelgänger, Mataro tells the group what he saw. Shortly after, Jinpei meets the lookalike: Lime Ashiya.

High school student president Gomanda calls for the middle school students to be expelled for their antics and soon finds ways to enforce his will.

Jinpei and his pals head to the high school to confront Gomanda directly, but the fantastical setting makes them feel like they're on a field trip.

With help from some knowledgeable allies, the group infiltrates Gomanda's headquarters. However, the path to their enemy proves deceptively tricky.

Jinpei and his friends are anxious about the upcoming battle against the high school, but their mentor teaches them an impressive new technique.

The battle between the junior and senior high schools finally begins, but Gomanda’s oddly combative view toward the younger students worries Susano.

Gomanda reveals the cause of his hostility toward the junior high: an ominous visit from an intimidating school consultant named Chitei.

A wormhole transports Jinpei and his friends to the legendary ancient civilization of Atlantis, where Rana finally reveals her secret identity.

After Amana treats the students to an Atlantean feast, Lime talks of his past and resolves to take on Ozma. But Jinpei won’t let him do it alone.

Now conscious of his true self, Lime vows to sacrifice Atlantis to save Earth. But Jinpei, believing that all life is connected, stands in his way.

A glum Mataro reveals that his family will be moving to America for good. Jinpei and his friends get to work planning a grand farewell party.