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A high-school delinquent suddenly finds himself the surrogate father of a baby destined to destroy the world when he grows up.


Oga Tatsumi is a violent punk at one of Japan's worst high-schools: Ishiyama High. One day, as he is dunking some weaker punks in a riverbed, he finds a vessel containing a green-haired baby by accident. However, the baby seems somewhat attached to him. Oga later discovers that baby is Kaiser de Emperana Beelzebub IV, or Baby Be'el for short, the son of the Great Demon King who is destined to one day destroy humanity. The Demon Lord, feeling bored, decided to send him to the human world with his wet nurse Hildegarde in hopes that whoever picked him up would be evil enough to raise him into a fearsome demon that will one day destroy humanity.

Not wanting this responsibility on his head, Oga tries to find a person even more evil than himself with whom to ditch the baby. This brings him into constant conflict with other top delinquents at Ishiyama High as he fights them just to make them take Be'el away, but keeps winning. Will he succeed in his quest, or is he doomed to remain the surrogate father of the baby who will destroy the world?


For audiences outside of Japan, Crunchyroll is legally streaming the anime series for the following countries: United States, Canada, the United Kingdom, Ireland, Sweden, Denmark, Norway, Finland, Iceland, the Netherlands, Australia, New Zealand, Brazil, and Portugal. Its simulcast begins on January 8, 2011.

In December 31, 2014, the anime will no longer be available for Crunchyroll.


Beelzebub is about a young man named Oga who gets into fights with delinquents at Ishiyama High, the poorest and dumbest school in Japan. One day by the river, Oga finds a strange man (Alaindelon) floating down the river. He splits the man with a karate chop and out comes a green haired baby, Beelzebub (Beel). He finds out from a wet nurse named Hildagarde who informs Oga that he must raise Beel to destroy humanity as proclaimed by the Demon Lord. Now, Oga finds himself stuck Beel until he finds someone worthy enough to raise Beel.


Theme Songs

Opening Themes

Theme SongsEpisodes/ Points of Interest
"Dadada" by GROUP TamashiiEpisodes 1-10
  • Major Themes: The trouble of raising Beel and Ishiyama Delinquents
  • Censorship: Parts of the animation such as the volcano and the flood is not shown due to recent earthquakes and tsunami in Japan during March. Episodes affected were ep. 10 and others.
"Hajimaru no wa, Sayonara" by ON/OFFEpisodes 11-23
  • Major Themes: It introduces more of TKKH, Red Tails, and other Ishiyama delinquents while Beel shakes his thing.
"Hey!!!" by FLOWEpisodes 24-35
  • Major Themes: Oga, Beel, and their friends go to a new school, St. Ishiyama, where they meet the Six Knights.
"Baby U!" by MBLAQEpisodes 36 - 48
  • Major Themes: Emphasis on Beelzebub and Oga
"Only you -Kimi to no Kizuna-" by Lc5Episodes 49 - Ongoing
  • Major Themes: Oga and his friends (from Ishiyama) face off Lord En and Behemoth's Pillar Squad.

Closing Themes

Theme SongsEpisodes/ Points of Interest
"Answer" by NO3BEpisodes 1- 10
  • Major Themes: Focuses on Oga and Beel
"Tsuyogari" by Shoko NakagawaEpisodes 11- 23
  • Major Themes: Focuses on Aoi and Hilda who are dancing and singing.
  • It's the first time for main heroines to have the spotlight.
"Nanairo Namida" by Tomato n' PineEpisodes 24 - 35
  • Major Themes: It's mainly about Aoi, but it does shows Red Tail members. The art style is very similar to Korean Manhwa (or Manwa) especially the eyelashes, the detail in the hair, and the overall coloring.
  • First time for Aoi and her Red Tail to have the spotlight.
"Papepipu♪ Papipepu♪ Papepipupo♪" by Sasaki NozomiEpisodes 36 - 48
  • Major Themes: Beelzebub is the center of attention as he dance and leads the delinquents and demons to shake it like him.
"Shojo Traveler" by 9nineEpisodes 49 - Ongoing
  • Major Themes: Aoi and her Red Tail group: Nene, Chiaki, Yuka, Ryoko, and unknown member.
  • It's the second time that Aoi and her Red Tail members have the spotlight.


Season/Ep# Name Airdate
1 - 60
I Won't Say Goodbye
1 - 59
We're the Strongest!
1 - 58
Akumano Academy is Open
1 - 57
You Don't Eat Manju? You Don't Do Mixed Bathing?
1 - 56
Are You a Traitor? Is It A Time For Men?
1 - 55
I Have Lost My Pompadour The Great Demon Lord Has Come
1 - 54
Black Baby Beel Grows Up
1 - 53
Baby Beelzebub's First Conquest/Furuichi Falls In Love
1 - 52
And Then There Were No Delinquents
1 - 51
Komainu-sama is Watching You
1 - 50
Today I'm Different on the Inside
1 - 49
Beelzebub`s New Year`s Special! Beelbeel Journey to the West!
1 - 48
I'm His Parent
1 - 47
Sorry To Have Kept You Waiting
1 - 46
Super Burning Combination
1 - 45
Play Games at Most One Hour a Day!
1 - 44
I Must Become Stronger
1 - 43
Where Did My Brother Disappear To?
1 - 42
It's Time for Training!
1 - 41
On the Brink! What'll We Do?!

View all 50 episodes »

Original US Poster Art

General Information Edit
Name Beelzebub
Name: べるぜバブ,
Romaji: Beruzebabu
Publisher Pierrot
Start Year 2011
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