Season 1
A ferociously strong hooligan is chosen to raise the Demon King's son. But rearing a demon baby isn't really what he wants to be doing with his life.
Episodes
1 I Picked Up the Demon King Jan 9, 2011
2 I Became a Gang Leader with a Child Jan 16, 2011
3 Are There Any Strong, Ruthless Bastards Around? Jan 23, 2011
4 There Is One Second Before the Demon Lord's Floods Burst Forth Jan 30, 2011
5 Money can buy anything Feb 6, 2011
6 Toys Have Arrived from the Demon World / We Played Doctor Feb 13, 2011
7 The Demon Lord makes his Park Debut Feb 20, 2011
8 We Meet Again Feb 27, 2011
9 Love is a Hurricane Mar 6, 2011
10 A Disciple Was Gained Mar 27, 2011
11 There was Something Money Could not Buy Apr 3, 2011
12 I Won't Let You Sleep Tonight Apr 10, 2011
13 Baby Beel's Assessment Test / Hilda: Dear Great Demon Lord Apr 17, 2011
14 Is There a Special Move? Apr 24, 2011
15 The Delinquents Have Changed Into Swimsuits May 1, 2011
16 You're Not a Bad Specimen of a Man May 8, 2011
17 How About Some Demon World Homework? May 15, 2011
18 I Quit being the Baby on Back Brawler May 22, 2011
19 The Doctor Has Arrived May 29, 2011
20 Everyone Assemble Jun 5, 2011
21 Who Do You Think Is Ishiyama's Strongest? Jun 12, 2011
22 Secluded Mountain Training Jun 19, 2011
23 You Kidding Me? The Demon World Jun 26, 2011
24 Welcome Back, Demon World! Jul 3, 2011
25 New Semester Started Jul 10, 2011
26 May I Call You Brother? Jul 17, 2011
27 Called the Magical Girl Jul 24, 2011
28 Let's All Get Physicals Jul 31, 2011
29 What Are the 6 Holy Knights? Aug 7, 2011
30 Who Could the 6 Holy Knights Be? Aug 14, 2011
31 No Conclusion Was Reached! Aug 28, 2011
32 What Has the Transfer Girl Done? Sep 4, 2011
33 There Are Wounds in the Past Sep 11, 2011
34 Maids Run Amok Sep 18, 2011
35 Time for the Game to Begin! Sep 25, 2011
36 The Victory has Finally Arrived Oct 2, 2011
37 This Man is a Teacher Oct 9, 2011
38 The Sibling Rivalry Has Begun Oct 16, 2011
39 His Brother Was a Crybaby Oct 23, 2011
40 No Shirt, No Shoes, No Assassins Oct 30, 2011
41 On the Brink! What'll We Do? Nov 6, 2011
42 It's Time to Train Nov 13, 2011
43 Where Did the Older Brother Disappear To? Nov 20, 2011
44 I Have to Get Stronger Nov 27, 2011
45 There's One Day and 1 Hour Left Until the Game Dec 4, 2011
46 Burn, Super Combination! Dec 11, 2011
47 Sorry to Have Kept You Waiting Dec 18, 2011
48 I'm His Parent Dec 25, 2011
49 Beelzebub's New Year's Special! Beelbeel Journey to the West! Jan 8, 2012
50 Today I'm Different on the Inside Jan 15, 2012
51 Komainu-sama is Watching You Jan 22, 2012
52 And Then There Were No Delinquents Jan 29, 2012
53 Baby Beel's First Conquest / Furuichi Falls in Love Feb 5, 2012
54 Black Baby Beel Grows Up! Feb 12, 2012
55 I Have Lost My Pompadour / The Great Demon Lord Has Come Feb 19, 2012
56 Are You a Traitor? / Is This a Job for Men? Feb 26, 2012
57 Won't You Eat a Manju? / Won't You Get in a Mixed Bath? Mar 4, 2012
58 Akumano Academy is Open! Mar 11, 2012
59 We're the Strongest! Mar 18, 2012
60 I Won't Say Goodbye Mar 25, 2012