There's 1 Second Before the Demon Lord's Peeing Bursts

is episode 4 of the Beelzebub anime.

Summary
Beelzebub is currently experiencing his normal Demon "urination season", a phase of nonstop urination that threatens to flood Japan. Hilda manages to temporarily stop it with a diaper from the Demon World called "Peebegone", which diverts the urine to another dimension. However, she says this method is only effective for 2 to 3 hours, because said dimension will eventually fill up. In order to stop it completely, Oga decides he needs to get a super absorbent diaper advertised on television. Upon reaching the supermarket, he realizes that the brand had experienced a buzz on social media, and has sold out. As Oga tries to fit a diaper on Beel's head, Shintarō Natsume, one of Kanzaki's henchmen, tells Oga about the Tōhōshinki, the strongest delinquents in Ishiyama High, of which Kanzaki is a part. Just then, the supermarket is taken hostage by a group of thugs. As Oga probes all the thugs one by one to see how ruthless they are, they all break down and prove that they're too soft on the inside. This surprises everyone. The spout-like protrusion on the front of Beelzebub's diaper gets stuck on the leader's gun. Beelzebub's diaper then bursts, flooding the supermarket with urine. While the leader considers raising Beelzebub, Oga ends up changing his mind and beats him. Hilda flies her Ak-Baba with Oga and Beelzebub over the ocean until Beelzebub finishes urinating. Oga wonders aloud why they could not have done this in the first place, for which Hilda threatens to throw him off.

Next episode preview
Furuichi introduces Himekawa to Oga. He is one of Ishiyama High's Tōhōshinki members, whom is not only strong, but rich. Oga asks Furuichi how rich Himekawa is. Furuichi describes his unrealistically wasteful habit of taking only one bite from the best part of a watermelon and throwing the rest of it away. After Oga introduces the next episode, Furuichi tells the viewers not to waste food.

Characters in order of appearance

 * 1) Beelzebub IV
 * 2) Tatsumi Oga
 * 3) Hilda
 * 4) Alaindelon
 * 5) Takayuki Furuichi
 * 6) Ak-Baba
 * 7) Shintarō Natsume
 * 8) Zenkō
 * 9) Ryūzaki
 * 10) Ōyama
 * 11) Sannomiya
 * 12) Great Demon Lord (flashback)
 * 13) Oga's Father
 * 14) Oga's Mother