Tatsumi Oga, a notorious student at one of Japan's most unruly high schools, arrives on campus with an infant who discharges powerful electrical shocks with every cry. Oga maintains he discovered the child after dissecting a peculiar man wh…

Hildegarde’s arrival at Oga’s family’s home casts a misleading shadow over the unfolding events, offering them a distorted perspective. She also warns Oga that his cries, should he venture more than fifteen meters from Beelzebub, possess th…

When Oga misplaced some food intended for Beelzebub, a hunger began to gnaw at him. Instead of seeking a proper meal, he emptied an entire vending machine of yogurt drinks – a particular favorite of the second-year delinquent, Hajime Kanzak…

A relentless stream of urine from Beelzebub threatens to inundate the city. Hildegarde manages a temporary halt with an interdimensional diaper, but a permanent solution requires Oga to procure a super-absorbent diaper advertised on televis…

The night had stolen Oga’s sleep, leaving him with a peculiar mark blooming on his hand. It was Zebel Spell, the sigil binding him to Beelzebub. Hildegarde and Alaindelon explained that a Demon Lord draws power from a parent, and the mark w…

The mark on Oga’s arm was a recent addition, much to Hildegarde’s displeasure, who retaliated by destroying his games console. She then procured a playroom for Beelzebub, but its construction revealed itself to be a magical cage, trapping b…

Oga’s family strong-armed him into taking Beelzebub to the park for his debut. He immediately made a poor impression on the other mothers. However, he encountered a girl named Aoi, who was looking after her younger brother, Kouta. Aoi attem…

Aoi and the Red Tails find themselves back at Ishiyama High, ready to confront Oga, though they are unaware of his identity. When Takayuki leads Oga to her, Aoi is stunned to recognize him as the boy from the park, though he shows no recoll…

The troublemaking group MK-5 arrived to challenge Oga, but they were swiftly defeated by him and Hildegarde. Hildegarde's strength drew the eye of Aoi, who was captivated. As Aoi’s loyal assistants, Chiaki Tanimura and Nene Oomura, confront…

A stray cat took an unexpected liking to Oga, a fondness that ignited a fierce jealousy in Beelzebub. The demon frequently shocked onlookers with displays of affection toward the feline. In a fit of pique, Beelzebub challenged the cat to a …

Driven by vengeance, Himekawa schemes to harm Oga, devising a poisoned sandwich. However, the concoction has no effect; Oga’s constitution seems immune to even Hilda’s culinary experiments. Next, he tries to ensnare Beelzebub by employing a…

For three nights running, Beelzebub has wept throughout the night, a lament that has kept Oga and their entire neighborhood awake. To avoid being driven from their home by the incessant sorrow, the Oga family tries to occupy Beelzebub all d…

As Ishiyama High administers an assessment for its struggling students, the Great Demon Lord sets a trial for Beelzebub. He must accrue points by defeating various opponents, or face the prospect of remedial classes for both himself and Oga…

Desperate to counter Oga's strength, Kanzaki’s followers propose that Beelzebub is the source of Oga's power. Consequently, Kanzaki begins rigorous training, a weighted doll strapped to his back. This proves futile, and the group then attem…

Takayuki relays information about Hidetora Tōjō, the final piece of the Tōhōshinki, primarily to pique Oga’s interest in severing ties with Beelzebub – a move that would hopefully bring him peace from Alaidelon. Himekawa, desiring Oga's dow…

Takayuki was forcibly pulled from his tropical summer holiday and brought, much to his dismay, to a public swimming pool with Oga and Beelzebub. Oga, upon realizing the potential for his own relaxation at the same resort, was visibly taken …

The Demon King dispatched a summer assignment to Beelzebub: a notebook capable of animating its drawings. Meanwhile, Hilda led Oga to Ishiyama High on a mission to procure likenesses of the school's formidable, delinquent students – essenti…

A summer cold seized Beelzebub, and with it came an unsettling heat radiating from his form. As his ailment deepened, the Zebel Spell on Oga’s hand faded, fueling Hilda’s growing frustration with Oga's indifference. Torn between concern and…

Upon returning home following his defeat by Tojo, Oga finds Hilda has returned from the Demon World, accompanied by Imperial Doctor Forcas Rachmaninoff and his assistant, Lamia. Their purpose is to ascertain the cause of Beelzebub's afflict…

Oga mused over Lamia’s instruction to freshen up before visiting Tojo. A figure appeared in the darkness outside his bathroom window, and for a moment he believed it was Lamia. Instead, it was Shiroyama, who then escorted him to Kanzaki and…

At four in the morning, Furuichi is roused by Alaindelon and instantly transported to Ishiyama High. There, he finds Oga and Tojo embroiled in a battle against Hilda, Lamia, and Forcas Rachmaninoff. Elsewhere, Kanzaki, Himekawa, and Shiroya…

Driven by a deep-seated fear of insects, Baby Beel finds himself sent by Oga to the mountainous village of Mapputatsu for specialized training. It is there, amidst the peaks and valleys, that he encounters Kunieda. She carries Kōta, clad in…

With the Zebub Spell reactivated, Lamia and Dr. Forcas began to be drawn back to the Demon World via Alaindelon. During the transit, Baby Beel clung to Lamia, refusing to release his grip, and consequently, Furuichi and Oga were pulled alon…

Furuichi found Alaindelon’s daughter rather attractive and resolved to rescue her. Gare and Edda guided him to Oga and Lamia in the village of thieves, where Alaindelon's daughter, Angelica, was held captive. The rescue proceeded without di…

The students of Ishiyama High find themselves confined within the walls of St. Ishiyama, all key figures gathered in a single classroom. Their new homeroom teacher, Sadohara, attempts to assert dominance by challenging Tojo to an arm wrestl…

Following considerable acclaim for their legendary status, Oga and Furuichi agree to take Kazuya as their student. Eager to emulate his idol, Kazuya attempts to mirror Oga's every move, even preparing identical lunch boxes. The Teimo incide…

To atone for his oversight in forgetting his daughter's birthday, Alaindelon invited Angelica to Furuichi's residence for a tour of the Human World. However, as gifts were being retrieved from Alaindelon, a Yople alien materialized and fled…

At Ishiyama High, a routine of physical examinations is underway among the students. Baby Beel becomes consumed by envy when a small toy adheres to Oga's back, retreating in protest by locking himself within a locker. As attempts are made t…

The early morning encounter with Baby Beel had shaken Oga, but a renewed determination to find a suitable successor flickered within him. Whispers of six students distinguished by both academic prowess and athletic ability spurred him into …

From the school roof, Furuichi and Oga scanned the students below, their eyes searching for emblems on their shirts. Azusa eventually joined their pursuit. Their attention was drawn to two students from St. Ishiyama harassing members of Aoi…

The clash between Oga and Miki commenced, and Miki appeared to dominate effortlessly. He landed a strike on Oga that Aoi recognized as Hakkyokuken, a martial art originating from China. Despite a series of elaborate "special moves," Oga con…

Hilda joined the class, observing their progress as Alaindelon moved to a different one. A revelation came: their sport would be volleyball, a game none of them had ever attempted. A general lack of enthusiasm permeated the group, a problem…

Weary from practice, Oga abandoned the gym, a restless energy building within him, a craving for conflict. He discovered Miki training in a nearby dojo and, without hesitation, issued a challenge. Oga absorbed Miki’s blows with a grim resil…

The festival has begun, and Azusa is striving to manage a Maid café. Furuichi volunteers his assistance, and Azusa and her companions readily follow his directives, bound by his famed reputation as 'The Strategist'. He convinces many of the…

The anticipated match between Ishiyama and the formidable Six Holy Knights is upon us – a contest far beyond the ordinary. With honor and their academic futures hanging in the balance, the Ishiyama team will give their all on the court. Wil…

Kiriya, the man who had once scarred Miki and attempted to harm Oga, appeared at the volleyball match. He announced his intention to exact revenge on Oga, having taken hostages within the school to prevent any interference. Kiriya explained…

At a railroad crossing, Baby Be'el delights in the prospect of singing with Oga, though Oga’s thoughts are consumed by Izuma's warnings about demonic powers. Unbeknownst to them, Aoi, who happens to be nearby, encounters Nene and Yuka, prom…

Oga tries to lay out the entire predicament for Aoi, but he and Furuichi find themselves repeatedly struggling to recall BabyBeel's name. Shortly thereafter, a demon maidservant resembling Hilda appears, expressing her displeasure at the un…

Before enacting his plan to eradicate humankind, Lord En resolves to immerse himself in the human world, eager to experience its myriad facets. A devoted enthusiast of games and similar pastimes, he finds himself captivated by arcades and a…

A shared history surfaces: Tojo and Suzuka are linked by their past training under Saotome. Later, a confrontation erupts between Izumo and Tojo after school, culminating in Izumo’s display of his demonic abilities. The arrival of the Thirt…

Amidst the ongoing chaos, Lord En continues his tour of the human world, finding himself now in Akihabara. As is his habit, he weeps over the maids being mistaken for cosplayers, feeling acutely overlooked. Meanwhile, Furuichi finds himself…

Hilda, regaining her strength, offered sincere apologies for her shortcomings and inability to provide assistance. Determined to better protect those around him, Oga sought out Aoi’s grandfather for training, resolved to grow stronger. It w…

Lamia requested Fruichi to locate Baby Beel's brother. Their search led them to the game center, where they encountered Kanzaki, Himekawa, and Yuko. Fruichi then asked them for assistance. Separately, Aoi and Oga embarked on rigorous traini…

Oga commences his rigorous training under Ittousai’s tutelage, while Furuichi and Lamia rally their Ishiyama High companions to embark on a search for Lord En. The question remains: can Oga and Beel complete their demanding training within …

Furuichi’s group journeyed to Himekawa’s residence, intending to begin their search for En within the world of online games. Upon arrival, they discovered a towering skyscraper, its interior largely devoted to gaming. While most of the grou…

The scene begins with a strong science fiction atmosphere, quickly shifting to the game itself where the Ishiyama group finds themselves utterly overwhelmed. They are helpless against the enemy tank. Then Yuka arrives, piloting a colossal r…

The scene begins with two figures, recently released from prison, being addressed by two others. Among them is Lamia’s mother. The camera then shifts to the main group, weary after an extended gaming session. Shiro, adopting a persona remin…

Upon his return from training, Oga unveiled a new technique: the "Zebul Emblem" and "Super Milk Time." He had learned it during his time with Saotome, Black Baby Beel, and Baby Beel, who were embroiled in a dispute over milk. Seeing an oppo…

Weary and parched, Furuichi found himself adrift in a desolate expanse, with Oga, Baby Beel, and Kunieda at his side. He demanded an explanation for their predicament, to which Oga declared they were embarking on a journey akin to *Journey …

The lingering effects of Super Milk Time had resulted in a body swap: Baby Beel and Oga now inhabited each other's forms. Determined to restore normalcy, they sought out Saotome-Sensei, hoping he possessed the knowledge to reverse the stran…

Oga wrestled with solutions to refine Super Milk Time before the next assault, while Nene and the Red Tails orchestrated a deceptive meeting at Aoi's residence, hoping to persuade her to rejoin their ranks. It was revealed that Aoi’s demoni…

The coldest day of winter had found St. Ishiyama shuttered, yet the students of Ishiyama still made their way to the school. News of the closure hadn't reached them until Kazuya and Azusa arrived to inform them. Stranded by the storm, they …

Oga, Furuichi, and their teacher—the Spellmaster—were seeking the black variant of Baby Beel. Oga suspected the creature had simply fled out of boredom, but the truth lay with Himekawa. They inquired of several girls whether they had seen a…

With Black Beel vanished, Zenjuro implores Oga, Furuichi, and Beel to seek him out quickly, fearing dire consequences. Elsewhere, Himekawa, having abducted Black Beel for his uncanny likeness to a lucky charm, finds himself unexpectedly ble…

Himekawa launched into a description of his magnificent pompadour, detailing the precise method of achieving its sculpted form with a specialized hair gel called Pomade. Furuichi, however, seemed uninterested, instead remarking on someone's…

Hilda observes that Oga and his companions are behaving strangely, as if plotting something mischievous. Oga and Beel protest the notion, but their denials are unconvincing, and Hilda readily perceives their deception. As Oga introduces the…

Inspired by Oga's Super Milk Time training, Koma proposes a body swap with Aoi Kunieda, offering her a Manju as a catalyst. The ensuing moments are a mix of playful interactions with Aoi, occasionally veering into suggestive territory, and …

Behemoth arrived at St. Ishiyama seeking Oga and Beelzebub, but was instead greeted by Zenjuro, Ittousai, and the principal. Hilda restrained Oga as they observed the ensuing confrontation. Separately, Furuichi and the other delinquents arr…

As Aoi battles Agiel, Oga and Hilda find themselves face-to-face with Behemoth and the Jabberwock. Meanwhile, within the walls of Akumano Academy, Lord En and Quetzalcoatl orchestrate a peculiar "game" for the student delinquents. Simultane…

A group of Ishiyama delinquents wept and mourned the loss of Oga and Baby Beel, their tears trailing towards the riverbank. Suddenly, Alaindelon appeared, slicing through the air like a speedboat, and from within emerged Oga and Beel. At…