A Certain Magical Index Filler List
A Certain Magical Index's filler by entry: A Certain Scientific Railgun 6/24 (25%), A Certain Scientific Railgun S 9/24 (37.5%), flagged episode by episode below from the MyAnimeList community record. Skipping the flagged episodes saves about 6 hours. The watch-order guide has the same flags built into its free tracker, with a hide-filler toggle.
Filler counts are shown per entry and never averaged across entries: parallel continuities and spinoffs are different shows, and blending them produces a number that describes neither.
A Certain Magical Index
0 filler / 24 episodes (0%)
| # | Episode | Aired | Status |
|---|---|---|---|
| 1 | Academy City | 2008-10-05 | Canon |
| 2 | Innocentius (The Witch Hunter King) | 2008-10-12 | Canon |
| 3 | Necessarius (The Church of Necessary Evil) | 2008-10-19 | Canon |
| 4 | Perfect Memory Ability | 2008-10-26 | Canon |
| 5 | Limit (12 o'clock) | 2008-11-02 | Canon |
| 6 | Imagine Breaker | 2008-11-09 | Canon |
| 7 | The Science Cult (Misawa Cram School) | 2008-11-16 | Canon |
| 8 | Ars Magna (Golden Transmutation) | 2008-11-23 | Canon |
| 9 | Deep Blood (Vampire Killer) | 2008-11-30 | Canon |
| 10 | Mikoto Misaka (Sissy) | 2008-12-07 | Canon |
| 11 | Sisters (Sisters) | 2008-12-14 | Canon |
| 12 | Level 6 (Absolute Ability) | 2008-12-21 | Canon |
| 13 | Accelerator (One Way) | 2008-12-28 | Canon |
| 14 | Weakest vs. Strongest (Strongest vs. Weakest) | 2009-01-08 | Canon |
| 15 | Angel Fall (Angel Fall) | 2009-01-15 | Canon |
| 16 | Toya Kamijo (Father) | 2009-01-22 | Canon |
| 17 | The Power of God (Archangel) | 2009-01-29 | Canon |
| 18 | Replica (Impostor) | 2009-02-05 | Canon |
| 19 | Last Order (The End) | 2009-02-12 | Canon |
| 20 | Virus Code (Final Signal) | 2009-02-19 | Canon |
| 21 | Counter Stop (Identity Unknown) | 2009-02-26 | Canon |
| 22 | Golem (Stone Figure) | 2009-03-05 | Canon |
| 23 | Friends (Hyoka Kazakiri) | 2009-03-12 | Canon |
| 24 | Imaginary Number School District - Five-Element Agency | 2009-03-19 | Canon |
A Certain Scientific Railgun
6 filler / 24 episodes (25%) , about 2 h skippable
| # | Episode | Aired | Status |
|---|---|---|---|
| 1 | Electromaster | 2009-10-03 | Canon |
| 2 | When Working Under a Hot Sun, Rehydration is Essential | 2009-10-10 | Canon |
| 3 | Tokiwadai is Targeted | 2009-10-17 | Filler |
| 4 | Urban Legends | 2009-10-24 | Canon |
| 5 | A Certain Pair of New Trainees | 2009-10-31 | Canon |
| 6 | Everyone is Proactive When it Comes to Such Things | 2009-11-07 | Canon |
| 7 | Abilities and Power | 2009-11-14 | Canon |
| 8 | Level Upper | 2009-11-21 | Canon |
| 9 | Majority Report | 2009-11-28 | Canon |
| 10 | Silent Majority | 2009-12-05 | Canon |
| 11 | Dr. Kiyama | 2009-12-12 | Canon |
| 12 | AIM Burst | 2009-12-19 | Canon |
| 13 | A Bikini Divides the Eyeline Between Top and Bottom, But a One-piece Shows Off the Figure, so They Only Flatter the Slender | 2009-12-26 | Filler |
| 14 | Special Workshop | 2010-01-09 | Filler |
| 15 | Skill Out | 2010-01-16 | Canon |
| 16 | Academy City | 2010-01-23 | Canon |
| 17 | Tsuzuri's Summer Vacation | 2010-01-30 | Filler |
| 18 | Asunaro Park | 2010-02-06 | Filler |
| 19 | Midsummer Festival | 2010-02-13 | Filler |
| 20 | Poltergeist | 2010-02-20 | Canon |
| 21 | Voices | 2010-02-27 | Canon |
| 22 | Level 6 (The One Who Obtains The Power Of God Whilst Still Possessing A Mortal Body) | 2010-03-06 | Canon |
| 23 | What Is It You See In Your Eyes Right Now? | 2010-03-13 | Canon |
| 24 | Dear My Friends | 2010-03-20 | Canon |
A Certain Magical Index II
0 filler / 24 episodes (0%)
| # | Episode | Aired | Status |
|---|---|---|---|
| 1 | The Last Day (August 31) | 2010-10-08 | Canon |
| 2 | The Book of Law | 2010-10-15 | Canon |
| 3 | The Amakusa Church | 2010-10-22 | Canon |
| 4 | Sheol Fear (Voice of the Magicbane) | 2010-10-29 | Canon |
| 5 | Lotus Wand | 2010-11-05 | Canon |
| 6 | Remnant (Wreckage) | 2010-11-12 | Canon |
| 7 | Move Point (Coordinate Relocation) | 2010-11-19 | Canon |
| 8 | The Daihasei Festival | 2010-11-26 | Canon |
| 9 | Route Disturb (Pursuit Inhibited) | 2010-12-03 | Canon |
| 10 | Shorthand (Stenographic Sourcebook) | 2010-12-10 | Canon |
| 11 | Stab Sword | 2010-12-17 | Canon |
| 12 | Belvedere (The Observatory) | 2010-12-24 | Canon |
| 13 | Croce di Pietro (Apostolic Cross) | 2011-01-07 | Canon |
| 14 | City of Water | 2011-01-14 | Canon |
| 15 | Queen's Fleet | 2011-01-21 | Canon |
| 16 | Rosary of the Appointed Time | 2011-01-28 | Canon |
| 17 | Penalty Game | 2011-02-04 | Canon |
| 18 | Serial Number (Specimen Number) | 2011-02-11 | Canon |
| 19 | The Researcher (Amata Kihara) | 2011-02-18 | Canon |
| 20 | Hound Dog (Hound Squad) | 2011-02-25 | Canon |
| 21 | Testament (Learning Device) | 2011-03-04 | Canon |
| 22 | The Divine Retribution Spell | 2011-03-11 | Canon |
| 23 | Prewar | 2011-03-25 | Canon |
| 24 | Armed Gang (Skill-Out) | 2011-04-01 | Canon |
A Certain Scientific Railgun S
9 filler / 24 episodes (37.5%) , about 3 h skippable
| # | Episode | Aired | Status |
|---|---|---|---|
| 1 | Railgun | 2013-04-12 | Canon |
| 2 | Critical | 2013-04-19 | Canon |
| 3 | Project Radio Noise | 2013-04-26 | Canon |
| 4 | Sisters | 2013-05-03 | Canon |
| 5 | Project Level 6 Shift | 2013-05-10 | Canon |
| 6 | I... Can See All Of You | 2013-05-17 | Canon |
| 7 | I... I Want To Be Of Help To You, Sissy | 2013-05-24 | Filler |
| 8 | Item | 2013-05-31 | Canon |
| 9 | AIM Stalker | 2013-06-07 | Canon |
| 10 | Meltdowner | 2013-06-14 | Canon |
| 11 | The Vending Machine | 2013-06-21 | Canon |
| 12 | Tree Diagram | 2013-06-28 | Canon |
| 13 | Accelerator | 2013-07-05 | Canon |
| 14 | The Promise | 2013-07-12 | Canon |
| 15 | Kamijou Touma | 2013-07-19 | Canon |
| 16 | Sisterhood | 2013-07-26 | Canon |
| 17 | Study Group | 2013-08-02 | Filler |
| 18 | Moving | 2013-08-16 | Filler |
| 19 | Academic Reach Assembly | 2013-08-23 | Filler |
| 20 | Febri | 2013-08-30 | Filler |
| 21 | Darkness | 2013-09-06 | Filler |
| 22 | Study | 2013-09-13 | Filler |
| 23 | Silent Party | 2013-09-20 | Filler |
| 24 | Eternal Party | 2013-09-27 | Filler |
A Certain Magical Index III
0 filler / 26 episodes (0%)
| # | Episode | Aired | Status |
|---|---|---|---|
| 1 | Unrest | 2018-10-05 | Canon |
| 2 | The Right Seat of God | 2018-10-12 | Canon |
| 3 | The Document of C | 2018-10-19 | Canon |
| 4 | The Dark Side of Academy City | 2018-10-26 | Canon |
| 5 | Dark Matter | 2018-11-02 | Canon |
| 6 | Espers | 2018-11-09 | Canon |
| 7 | The Third Level | 2018-11-16 | Canon |
| 8 | Saint Breakout | 2018-11-23 | Canon |
| 9 | Holy Mother Veneration | 2018-11-30 | Canon |
| 10 | Sky Bus 365 | 2018-12-07 | Canon |
| 11 | British Labyrinth | 2018-12-14 | Canon |
| 12 | Mercenaries | 2018-12-21 | Canon |
| 13 | Curtana Original | 2018-12-28 | Canon |
| 14 | Heroes | 2019-01-11 | Canon |
| 15 | Spark Signal | 2019-01-18 | Canon |
| 16 | The Governing Board | 2019-01-25 | Canon |
| 17 | DRAGON | 2019-02-01 | Canon |
| 18 | The Alliance of Independent Nations | 2019-02-08 | Canon |
| 19 | Misaka Worst | 2019-02-15 | Canon |
| 20 | A Reason to Protect | 2019-02-22 | Canon |
| 21 | The Star of B'Tselem | 2019-03-01 | Canon |
| 22 | Angel Power (Gabriel) | 2019-03-08 | Canon |
| 23 | Fuse=KAZAKIRI | 2019-03-15 | Canon |
| 24 | List of Prohibited Books (Index) | 2019-03-22 | Canon |
| 25 | Wings | 2019-03-29 | Canon |
| 26 | Son of God | 2019-04-05 | Canon |
A Certain Scientific Accelerator
0 filler / 12 episodes (0%)
| # | Episode | Aired | Status |
|---|---|---|---|
| 1 | Accelerator (Academy City's Mightiest Esper) | 2019-07-12 | Canon |
| 2 | Necromancer (Raiser of the Dead) | 2019-07-19 | Canon |
| 3 | Numbers (Charms of the Four Perils) | 2019-07-26 | Canon |
| 4 | Third Number (The Pseudo-Soul, Huotou) | 2019-08-02 | Canon |
| 5 | DA (Security Officer Darkness) | 2019-08-09 | Canon |
| 6 | Scavenger (Corpse-Eating Squad) | 2019-08-16 | Canon |
| 7 | Download (Time Limit) | 2019-08-23 | Canon |
| 8 | Friend (Hirumi) | 2019-08-30 | Canon |
| 9 | Memory of Death (10031 Deaths) | 2019-09-06 | Canon |
| 10 | Catastrophe (Awakening) | 2019-09-13 | Canon |
| 11 | Perfect Golem (Perfect Body) | 2019-09-20 | Canon |
| 12 | Something to Protect | 2019-09-27 | Canon |
A Certain Scientific Railgun T
0 filler / 25 episodes (0%)
| # | Episode | Aired | Status |
|---|---|---|---|
| 1 | Super-powered (Level 5) | 2020-01-10 | Canon |
| 2 | The Daihasei Festival | 2020-01-17 | Canon |
| 3 | Balloon Hunter | 2020-01-24 | Canon |
| 4 | Tampering | 2020-01-31 | Canon |
| 5 | Trust | 2020-02-07 | Canon |
| 6 | The Battle Begins | 2020-02-14 | Canon |
| 7 | Auribus Oculi Fideliores Sunt. (The Eyes Are More Trustworthy Than the Ears) | 2020-02-28 | Canon |
| 8 | Railgun × Mental Out | 2020-03-20 | Canon |
| 9 | Kozaku Mitori | 2020-03-27 | Canon |
| 10 | Clone Dolly | 2020-04-03 | Canon |
| 11 | Joining the Battle | 2020-04-10 | Canon |
| 12 | Exterior | 2020-04-17 | Canon |
| 13 | SYSTEM (Those Who Arrive At Heaven's Will In An Only Human Body) | 2020-05-01 | Canon |
| 14 | Dragon Strike (Jaw of the Dragon King) | 2020-05-15 | Canon |
| 15 | Promise | 2020-05-22 | Canon |
| 16 | Dream Ranker | 2020-07-24 | Canon |
| 17 | Precognition | 2020-07-31 | Canon |
| 18 | Bust Upper | 2020-08-07 | Canon |
| 19 | Strange Coincidence | 2020-08-14 | Canon |
| 20 | Ha Det Bra | 2020-08-21 | Canon |
| 21 | Doppelgänger | 2020-08-28 | Canon |
| 22 | Scavenger | 2020-09-04 | Canon |
| 23 | Possession | 2020-09-11 | Canon |
| 24 | Diffusion | 2020-09-18 | Canon |
| 25 | My Dear Friends | 2020-09-25 | Canon |
Frequently asked questions
How many filler episodes does A Certain Magical Index have?
Across the tracked entries on this page, A Certain Magical Index has 15 filler episodes out of 159. Per entry: A Certain Scientific Railgun 6/24 (25%), A Certain Scientific Railgun S 9/24 (37.5%).
Can I skip the A Certain Magical Index filler?
The table below marks every filler and recap episode individually, and the watch-order guide's tracker has a hide-filler toggle that removes them from your list. Check each episode's note before skipping: some flagged stretches are anime-original story rather than side content.
How much time does skipping A Certain Magical Index filler save?
Skipping all 15 flagged filler episodes saves roughly 6 hours at 23 minutes per episode.
Track A Certain Magical Index filler-free → Opens the watch-order tracker with every flagged episode already hidden.
Other filler lists
- One Piece filler list 8.3% filler
- Gintama filler list 7.3% filler
- K-On! filler list 5.1% filler
- Clannad filler list 4.3% filler
- Miss Kobayashi's Dragon Maid filler list 4% filler
- Noragami filler list 4% filler
← A Certain Magical Index watch order + tracker All series: Anime Filler Index →
Data refreshed weekly from the MyAnimeList community record. Last updated .