Demon Lord Xenon's greatest warrior, Devilman, possesses the body of a human boy in the Himalayas. After taking on Akira Fudo's identity, he returns to Japan to reshape the world for the Demon Tribe. However, as time passes he forgets his original mission...
Sirene is sent to the human world by Xenon and is enraged when she discovers that Devilman has fallen in love with a human girl.
Xenon dispatches Gelge to kill Devilman. Miki is frustrated by Akira's actions.
Demon General Zannin is selected to take over Devilman's original mission. Demon Vetra creates chaos in the human world.
A new student, Himura Iwao, arrives at Nakado Academy and challenges Akira to a race. During which, they stumble upon a cave and discover a sleeping woman. The woman is actually Lita, who was a human sympathizer from the Demon Tribe.
Miki's father works to reconstruct the face of the skull of a young woman who died 200 years ago. Rokfel animates the skull and begins to wreak havoc in the city to lure out Devilman.
Zool has the power to create clay dolls that control people. His next target is Miki...
Demon Iyamon disguises herself as a student in order to kill Miki. When her cover is blown by Devilman, her brother Bauu comes to her rescue.
Brainwave Demon Gondroma uses his powers to control animals and spread chaos in the human world. Himura moves in on Miki.
Devilman faces off against the Gan Triplets, a trio of demons who all demonstrate a variety of abilities related to their eyes.
While pursuing Demon Lafleur, Devilman accidentally injures Miki's father. Akira and Miki get into a huge argument, and it seems as though their relationship is over.
The mischievous demon Firem accompanies the behemoth Aguilar on his mission with Xannin. Devilman finally has a one-on-one match with Xannin.
Xenon dispatches Demon Mermaim to assist Xannin in his fight against Devilman. She does not care for Xannin, and puts a spell on him to prevent his interference. Mermaim moves in and attacks the Makimura family while they are on vacation. As Devilman does battle with Mermaim, Xannin discovers Miki.
Miki is rushed to the hospital after an altercation with Xannin. Furious, and heartbroken, Devilman swears to defeat the Demon Tribe once and for all. He flies to the Himalayas to settle things with Xenon, only to find the Tribe is gone. Himura appears and finally reveals his true identity.
Evine uses mirrors to control people's arms. Demon General Muzan takes over from Zannin.
During a meteor shower, all of the children in town start seeing a glowing red star. They soon begin receiving terrible nightmares and are driven to the point of insanity.
Akira, Miki, Tare, and his friends come across a mysterious storyteller. The storyteller gives children stamps with monster designs on them. At night, the monsters come to life and attack.
A beautiful young woman named Mayako begins working at Cafe Chaco. Her alluring beauty has smitten all of the males in town. When young boys start killing themselves over Mayako, Akira wonders if there's more behind her allure.
Tare comes across a dumping ground with tons of mannequins. At night, he sees a mannequin in his room and attacks it with a hammer. The mannequin turns out to be Miki, who was killed by his attack. Distressed, Tare runs away from home.
A new transfer student named Tomita arrives at Nakado Academy and takes a liking to Miki. Meanwhile, Chaco has been mysteriously turned into an ice sculpture.
Demon Doro has a bottomless appetite and sets his eyes on Nakado Academy. Devilman wonders how he can defeat a practically invincible opponent.
Principal Pochi and Alphonne see Akira push Miki into the river. Akira is set on proving his innocence, and finding Miki.
Tare has a fight with Miyo and ends up stowing away on his father's flight to Tibet. Akira and Miki go off to bring him back home. Meanwhile, Demon General Muxan enlists Bera to expand the Demon Tribe's territory. She reworks her plan to eliminate Akira and the Makimura family.
Demon Giacon uses his powers to possess Akira's classmate, Todaiji.
Tired of his failures, Muxan decides to go face Devilman himself. All of Nakado Academy is held captive in an alternate dimension.
Akira is captured by Demons Dodo and Demon Lala during a ski trip. Dodo disguises himself as Akira and plans on killing all of his friends.
Demon Lord Xenon places Demon Marshall Lacock in charge of operations. Meanwhile, Lala attempts to escape the psychiatric hospital.
Lacock sends out her second servant, Miniyon to wreak havoc in the human world. He leaves his special pendant everywhere, which has the power to shrink anyone. Lala attempts to seduce Akira, much to his annoyance.
Demon Kenetos leaves behind his cursed necklaces all over Japan. Anyone who puts it on, has their head transported into his realm. Akira's teacher Alphonne falls victim to Kenetos' scheme.
Demon Phizele has the ability to turn any human aggressive and violent. Miki, Lala, Tare, and Miyo have to fend off all the crazed humans while Devilman tries to find Phizele.