Tatsumi Oga, a delinquent student at the worst high school in Japan, arrives at school with a small baby who emits ma...

Hildegarde presents herself to Oga's family in the wrong way, giving them a different view of the situation. She also...

When Oga loses some food for Beelzebub and he starts to get hungry, Oga instead uses up a vending machine's worth of ...

Beelzebub is currently in a phase of non-stop urination that threatens to flood the city. Hildegarde manages to tempo...

After a sleep deprived night, Oga notices he has a strange mark on his hand, revealed to be Zebel Spell, a symbol of ...

The mark on Oga's arm goes back to its small size, much to the chagrin of Hildegarde who destroys his games console. ...

Oga's family coerce him into taking Beelzebub to the park so he can make his 'park debut'. Despite making a bad impre...

Aoi and the Red Tails return to Ishiyama High to deal with Oga, despite not knowing who he is. When Takayuki drags Og...

The delinquent group, MK-5, come to confront Oga, but are promptly beaten by him and Hildegarde, who catches the atte...

A stray cat becomes attached to Oga, causing Beelzebub to become extremely jealous and shock anyone he shows affectio...

Himekawa plots revenge against Oga by setting him up with a poisoned sandwich, but it doesn't affect him due to his r...

Beelzebub has been crying all night for the past three nights, which is causing Oga and the whole neighborhood to get...

As Ishiyama High holds an assessment test for its studyphobic students, the Great Demon Lord also holds a test for Be...

As Kanzaki tries to come up with a new special move to beat Oga, his followers suggest the key to Oga's power is havi...

Takayuki tells Oga about the final member of the Tōhōshinki, Hidetora Tōjō, mainly to get him interested about ditchi...

Takayuki is dragged away from his tropical summer vacation against his will to join Oga and Beelzebub to a public poo...

The Demon King sends Beelzebub some summer homework, containing a notebook which brings anything drawn in it to life....

Beelzebub gets a summer cold, causing his body to give off incredible heat. As his condition gets worse, the Zebel Sp...

Oga returns home after being defeated by Tojo to find that Hilda has returned from the Demon World with the imperial ...

Oga reflects on Lamia telling him to take a shower before going to Tojo and sees a silhouette outside his bathroom wi...

Furuichi is woken up by Alaindelon at 4:00 A.M. and is teleported to Ishiyama High to watch Oga and Tojo's fight with...

Baby Beel's fear of insects prompts Oga to give him some special training up in the mountainous village of Mapputatsu...

As the Zebub Spell is restored, Lamia and Dr. Forcas begins to return to the Demon World through Alaindelon. While th...

Finding Alaindelon's daughter rather attractive, Furuichi vows to rescue her while Gare and Edda leaded him to Oga an...

The students of Ishiyama High settle in at St. Ishiyama, with all the significant characters being placed in the same...

Oga and Furuichi accept Kazuya as their student, after being praised on how legendary they are. Kazuya tries to copy ...

In order to make up for forgetting his daughter's birthday, Alaindelon brought Angelica to Furuichi's house for a tou...

The students of Ishiyama High are ordered to do physical examinations amongst themselves. Baby Beel gets jealous of a...

After being shocked early in the morning by Baby Beel, Oga's enthusiasm to find someone new to pass Beel onto is temp...

Furuichi and Oga survey the school from the roof searching for emblems on people's shirts, and Azusa ends up tagging ...

The fight between Oga and Miki begins, with Miki seemingly beating Oga with ease. He strikes Oga with a technique whi...

Hilda transfers into the class to keep an eye on how things are progressing, with Alaindelon transferring into anothe...

Oga becomes tired of practicing and walks out of the gym, itching for a fight. He finds Miki training in a nearby Doj...

The festival is underway, and Azusa is trying to run a Maid café. Furuicihi offers to help, and Azusa and her friends...

The match between Ishiyama and the 6 Holy Knights is here, and this is not your usual volleyball! With their pride an...

Kiriya, the man who scarred Miki and tried to attack Oga in the past shows up at the volleyball match. He declares th...

Baby Be'el is having a great time at a railroad crossing and wishes Oga to sing with him. Oga, however, is thinking a...

Oga attempts to explain the whole situation to Aoi, but him and Furuichi get stuck on remember BabyBeel's name. Not l...

Before destroying humanity, Lord En wants to experience everything in the human world. As Lord En is a huge fan of ga...

It's revealed that Tojo and Suzuka know each other from the past, as they both underwent training from Saotome. Izumo...

Whilst everything is in commotion, Lord En continues his tour of the human world and is now in Akihabara. As usual, h...

Hilda recovers and apologizes for everything and being unable to help. Oga decides to become stronger in order to pro...

Lamia asks Fruichi to find Baby Beel's brother but when they went to the game center, they find Kanzaki,Himekawa, and...

Oga begins his training with Ittousai while Furuichi and Lamia enlists the help of their Ishiyama classmates to searc...

Furuichi's group go to Himekawa's home, to start searching for En in online games. When they arrive they find the pla...

The episode opens with a distinct sci-fi feel, before moving into the game, where the Ishiyama group are in the middl...

The show opens seeing the 2 pillars who got beaten in jail, and 2 other pillars talking to them. One is Lamia's mom. ...

After Oga came back from his training he introduce his new technique called the "Zebul Emblem" and "Super Milk Time" ...

A tired and thirsty Furuichi finds himself in a desert, accompanied by Oga, Baby Beel and Kunieda. Furuichi asks what...

Due to the after effects of Super Milk Time, Baby Beel and Oga have swapped bodies. In order to return things back to...

Oga is trying to think of a way to perfect Super Milk Time before they're attacked again whilst Nene and the rest of ...

It's the coldest day of Winter and St.Ishiyama is closed, however everyone from Ishiyama has still come to school as ...

Oga ,Furuichi and their teacher (which was the Spellmaster) was searching for the black version of Baby Beel. Oga tho...

When Black Beel has gone missing, Zenjuro urges Oga, Furuichi, and Beel to look for him before something bad happens....

Himekawa introduces himself and tells everyone how he makes his "super cool" pompadour: by hardening it with a hair g...

Hilda notes that Oga and his friends are acting funny and that they're scheming something bad. Oga and Beel deny this...

Koma gets an idea from Oga's Super Milk Time training to switch bodies with Aoi Kunieda by offering her Manju. He has...

Behemoth visits St. Ishiyama to find Oga and Beelzebub, but he gets welcomed by Zenjuro, Ittousai, and the principal....

While Aoi fights Agiel, Oga and Hilda meet Behemoth and Jabberwock up close and personal. Then, at Akumano Academy, L...

It begins with a bunch of Ishiyama delinquents crying and mourning over the loss of Oga and Baby Beel. Their tears st...