In a world where science clarifies supernatural powers. In a huge college that has power development in its curriculum. To a resident high school student, Kamijou Touma, a pure white sister appears. She calls herself "Index" and says that sorcerers are chasing her. Thus, Kamijou Touma enters the world of the occult.

Alternative title:

• A Certain Magical Index
• Index Librorum Prohibitorum

To Aru Majutsu No Index (TV):

• 1. Academy City
• 2. Innocentius, King of Witch Hunting
• 3. Church of the necessary evil (NESESARIUSU)
• 4. Perfect Memorization Ability
• 5. Twelve O'Clock (limit)
• 6. Imagine Breaker
• 7. Cult of Science
• 8. The Alchemy of Gold (Ars = Magna)
• 9. Vampire Killer (Deep Blood)
• 10. The Sister(Misaka Mikoto)
• 11. Sisters
• 12. Absolute power (Level 6)
• 13. Accelerator
• 14. Weakest vs Strongest
• 15. Angel Fall
• 16. Father(Kamijou Touya)
• 17. Archangel (Power of God)
• 18. Imposter (Replica)
• 19. The End (Last Order)
• 20. The Final Signal (Virus Code)
• 21. Unidentifiable (Counter Stop)
• 22. Statue (Golem)
• 23. Kazakiri Hyōka (Friend)
• 24. Imaginary Number Area - Five Elements Facility