Season 1
12 listed episodes · First aired December 23, 2016

Season overview
Get ready for a strange but fun-filled adventure with your favorite group of assassins. The killer class is back but this time they’ve got…magic. In this brand new spin-off series, follow the chibis of Class 3-E as they learn swordsmanship and sorcery at Kunugigaoka Magic School. Their mission... Defeat the evil Demon King Koro Sensei and face the trials and perils of their magical school.
Episodes
Set in a role-playing game world, the students of Kunigigaoka Junior High School's Class 3-E are heroes-in-training filled with various bugs.
E2The Red DevilKoro-sensei and the students of Class 3-E travel to the northern cave to confront Karma Akabane the Red Devil, who is known to be unlucky when he is cocky, especially when washtubs randomly land on his head.
E3The Seductive WitchKoro-sensei and the students of Class 3-E go to a nearby village, where the village chief warns them of Irina Jelavić the Seductive Witch.
E4The Ruins of TribulationKarasuma visits Pope Gakuhō Asano, who devises a plan to lure Koro-sensei into a trap. Koro-sensei and the students of Class 3-E go into the Ruins of Tribulation with three chambers hosted by a Guardian Kunudon.
E5The Evolved MageThe students have a new addition to their class, her being the Autonomous Intelligence Magic Stone Tablet, who can perform various forms of sorcery.
E6The Silver BerserkerItona Horibe the Silver Berserker crashes through the classroom, and his guardian Mage Shiro tells Koro-sensei that Itona will be the new Demon King.
E7The Big Five Attack!lass 3-E talks about Class 3-A's Big Five (Gakushū Asano, Teppei Araki, Ren Sakakibara, Natsuhiko Koyama and Tomoya Seo), an elite group of paladins.
E8Big Bad SwitcherooClass 3-E finds a treasure chest deep in a cave, but it turned out to be empty when it is opened. To make matters worse, everyone switches bodies with someone else.
E9Showdown at Fukuma TowerKaede Kayano witnesses Nagisa and her pudding being abducted by Akira Takaoka the Merciless, ringleader of the Taka Gang. The students of Class 3-E goes to Fukuma Tower, where Nagisa is being held captive. On the second…
E10Takebayashi, Leaving the E Class?The female students go to Irina to brew a potion for sacks of chocolates. On Valentine's Day, some of the female students give some of the male students the sacks of chocolates, but it turns the male students into monst…
E11It's Not a Job, It's a CallingWhen Koro-sensei was a human, he was thought of as a hero, but became bored of his work. He was assigned by Aguri Yukimura to be a Demon King and live in a castle, since his predecessor (actually Neuro from Neuro: Super…
E12Bye Bye, Big BadThe students of Class 3-E storm through the castle to get to the Demon King. Many students sacrifice themselves for each other in many traps as they travel to the throne room.