Season 1
The Invisible School of the Underworld!!
Shingo Umoregi is a boy who is so obsessed with demons that he has earned himself the titled of "Akuma-kun" (Demon Boy). He has tried many times to summon the superstar of the demon world, Mephisto with many failed attempts. However, when a mysterious demon kid shows up in the human realm, he befriends Akuma-kun. Will this kid be able to assist Akuma-kun with summoning Mephisto?
The Spell of Justice! Elohim Essaim!
From the Magic Circle, Comes my Twelve Apostles
Bat-Cat's Trap
Were-Tiger Makes His Appearance!
Why Are You Here, King of the Ancient Magical World?!
The Hyakume Family and the Tragedy of the Moon People
May the Sound of Solomon's Flute Reach Your Heart!
The 12 Apostles of My Dreams are All Here!
Legend of the Witch! Fear Will Ambush You in the Manor of Illusions!
The Beautiful Girl's Secret Hidden in the Portrait
The Demon Laughs at the Cracks in your Heart!
Pushed to the Edge! The Super Demon Nanjamonja!
The King of Hell! The Twelve Apostles Wounded by Enma's Wrath!
The Slumbering Fairy Queen - Titania's Wish
Kirara the Ice Fairy Sheds Rainbow Colored Tears
The Legendary Magic Mirror Animamudi's Prophecy?!
Time of Revelation! Emperor Dongyue's Secret!!
Robbed of Solomon's Flute!!
Sedona From an Ocean Far Away
The Black Magic Circle and Hedora the Witch
Vanishing into the Demon Void Mystery of the Celestial Vessel
Soar, O Wings of Hope!
The Disappearing Invisible School!
Mischief Panic, Firework Ghosts!
Bird-Maiden and the Mystery of Easter Island
The House of Spirits! Our First Adventure!
The World Navel, Crisis on Mount Penglai
Mephisto Jr. Has Been Turned Into a Spider!!
The Life Orb Responds To The Twelve Apostles' Dream
Ton Foo-Chin, The Demon Ambassador
Episode 32
Episode 33
Episode 34
Episode 35
Episode 36
Episode 37
Episode 38
Episode 39
Episode 40
Episode 41
Episode 42