337 votes
A Certain Scientific Railgun

A Certain Scientific Railgun

Tokyo MX 2009

Misaka’s electro-manipulation abilities – and delightfully destructive Railgun projectile move – make her a rock star in Academy City. The techno-metropolis is packed with supernaturally powered students known as espers, including Misaka’s flirty friend and roommate, Kuroko. She uses her teleportation skills as a member of the Judgment law enforcement team, fighting crime alongside her fellow agent Uiharu. Joined by their friend Saten, a spunky Level 0 esper, Misaka, Kuroko, and Uiharu have a blast taking on danger whenever and wherever it arises.

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The 10 Worst Episodes of A Certain Scientific Railgun

A Certain Scientific Railgun - S3E18

#1 - Bust Upper


Season 3 - Episode 18

After Saten demonstrates skills she acquired through Indian Poker, Mikoto comes upon a Trader who happens to have a card she is keenly interested in. However, ITEM operative Kinuhata is also eager to obtain the card for herself, to the same end.

The episode was rated #1 Worst episode of A Certain Scientific Railgun from 21 votes.

A Certain Scientific Railgun - S3E19

#2 - Strange Coincidence


Season 3 - Episode 19

When Saten buys the last of the mackerel at the supermarket, Frenda pesters her to let her have them, eventually leading to an unexpected friendship. However, when her seemingly innocuous text message is intercepted, Saten finds herself in danger.

The episode was rated #2 Worst episode of A Certain Scientific Railgun from 24 votes.

A Certain Scientific Railgun - S3E16

#3 - Dream Ranker


Season 3 - Episode 16

Mikoto is introduced to Indian Poker, a new fad that is sweeping Academy City, which allows people to share their dreams, by Shokuho Clique member Hokaze. Saten tells Uiharu about a new app that seems to predict accidents before they happen.

The episode was rated #3 Worst episode of A Certain Scientific Railgun from 22 votes.

A Certain Scientific Railgun - S3E9

#4 - Kozaku Mitori


Season 3 - Episode 9

Mikoto and Shokuho continue pursuing Gensei Kihara using their own individual methods. Kuroko attempts to identify the girl who abducted Uiharu and Misuzu. Saten decides to investigate an abandoned factory that may be connected to the case.

The episode was rated #4 Worst episode of A Certain Scientific Railgun from 25 votes.

A Certain Scientific Railgun - S3E25

#5 - My Dear Friends


Season 3 - Episode 25

As the fight atop the airship draws to a close, the Doppelganger's true intentions become clear. Following the battle, the members of Scavenger seek to regain their former glory, while the circle of Mikoto's friends becomes more interconnected.

The episode was rated #5 Worst episode of A Certain Scientific Railgun from 16 votes.

A Certain Scientific Railgun - S3E17

#6 - Precognition


Season 3 - Episode 17

To demonstrate the authenticity of his predictions, Miyama sends Kuroko out with foreknowledge of several incidents that are about to take place. But when two cases occur in close proximity, Kuroko decides to call in additional help from Judgment.

The episode was rated #6 Worst episode of A Certain Scientific Railgun from 23 votes.

A Certain Scientific Railgun - S1E3

#7 - Tokiwadai Targeted


Season 1 - Episode 3

Kuroko and Mikoto invites Kazari and Ruiko to go shopping and sightseeing at the School Garden, a private, high class district which caters for Schoolgirl's of elite and upper class schools and where most of the elite Girls schools are located. Ruiko gets her uniform wet after tripping into a puddle so Kuroko lets her borrow her Tokidawai uniform. When the girls arrive to an Italian Pastry shop for cake, Shirai and Uiharu are immediately called back at Judgment for an emergency. Mii Konori, their sempai in Judgment reveals that yesterday, six Tokidawai students including Mitsuko were mysteriously attacked by an unknown perpetrator with a Taser who immediately drew their eyebrows with a marker while they were unconscious but none of the victims saw their attacker. Unfortunately, it is during this time that Ruiko is mistaken as a Tokidawai student and attacked by the criminal herself whilst in the bathroom. As Mikoto, Kuroko and Kazari try to figure out who the invisible attacker is, they conclude that the attacker has an ability called 'Dummy Check', the ability to make the user invisible to the human eye, which explain why the victims never saw her but the district's CCTV camera's did. At first they believe the culprit is Miho Jifuki, a Sekishi Junior High student and the only person who has this ability but the City's database says she's only a Level 2 and doesn't have enough power to turn herself completely invisible. Saten, who has woken up after her attack and learning on what happen to her eyebrows, confirms Miho was the culprit who manage to see her face in the mirror before falling unconscious and wants revenge. With the help of School Garden's CCTV camera's, the girls manage to track Miho down and cornered her. After being subdued by Mikoto, Ruiko wants to draw Miho eyebrows but finds out the girl has naturally weird eyebrows. Miho reveals that she targeted Tokidawai students because her boyfriend left her for one and didn't like her eyebrows. Feeling sorry, Saten decide to let go of her grudge and ease Miho by telling her that her eyebrows are charming. As she's being taken away by the Anti-skills, Mikoto wonders how did Miho became powerful when she's only a Level 2 in the first place. The next day however, Saten is still angry that she didn't have her revenge against Miho when she learns the ink on her eyebrows won't come off for a week.

The episode was rated #7 Worst episode of A Certain Scientific Railgun from 59 votes.

A Certain Scientific Railgun - S1E2

#8 - For Working Under the Blazing Sun, Proper Hydration is Required


Season 1 - Episode 2

Mikoto encounters Tōma Kamijō (the protagonist of To Aru Majutsu no Index) and corners him but he blocks her attacks and escapes. Deciding to keep quiet about it, she invites Kazari and Ruiko over to her dorms, ruining Kuroko's plans of celebrating her one month 'anniversary' of becoming Mikoto's roommate. However, Mikoto reveals that Kuroko forcefully sneaked into her room during that time. To make matters worse, after finding out Kuroko kept one of her panties, has a collection of perverted photos of her and learning Kuroko ordered aphrodisiacs for their "anniversary", Mikoto has a fight with Kuroko in the hallways but both stopped when the fearsome Dorm Supervisor arrives. As punishment for using their powers inside the dorms, both of them are sent to clean the school pool. Mikoto is introduced to Kuroko's classmates, Kinoho Wannai and Maaya Awatsuki, whom the former is an Aquakinesist that Mikoto saved from some thugs some time ago. Kuroko gets jealous of how well she gets along with others and cries believing Mikoto doesn't care about her. To cheer her up, Mikoto gives her a present celebrating a slightly different anniversary, the day when they became friends. However, whilst toasting, Kuroko accidentally drinks the aphrodisiac meant for Mikoto. She becomes so overcome with lust that she steals Mikoto's underwear whilst she is still wearing them, prompting Mikoto to repeatedly electrocute her as punishment.

The episode was rated #8 Worst episode of A Certain Scientific Railgun from 65 votes.

A Certain Scientific Railgun - S3E21

#9 - Doppelganger


Season 3 - Episode 21

Shokuho approaches Mikoto to ask her to break into a research facility and determine the results of a unique experiment. But before Mikoto can enter the building, she has an encounter that raises serious questions for her, demanding good answers.

The episode was rated #9 Worst episode of A Certain Scientific Railgun from 19 votes.

A Certain Scientific Railgun - S3E2

#10 - The Daihasei Festival


Season 3 - Episode 2

As the Daihasei Festival begins, Uiharu and Saten enjoy themselves, while Kuroko sees to her Judgment duties. Mikoto and Kongo run an eventful three-legged race against teams from other schools. A plot involving MEMBER begins going into motion.

The episode was rated #10 Worst episode of A Certain Scientific Railgun from 27 votes.

A Certain Scientific Railgun - S3E12
#11 - Exterior
Season 3 - Episode 12

Kamijo and Sogiita find that at best, they can only slow down Mikoto's transformation. Kuroko continues to search for Kozaku while dodging her puppet. Gensei pursues Shokuho for the access code that will let him unlock Exterior's potential.

The episode was rated #1 Worst episode of A Certain Scientific Railgun from 23 votes.

A Certain Scientific Railgun - S3E13
#12 - SYSTEM (Those Who Arrive at Heaven's Will in an Only Human Body)
Season 3 - Episode 13

Kuroko continues searching for Kozaku, but after exhausting every possible hiding spot in the building, she must reexamine her situation. When Mikoto's transformation hits a critical threshold, it is time for Gensei to unlock Exterior's limiter.

The episode was rated #2 Worst episode of A Certain Scientific Railgun from 27 votes.

A Certain Scientific Railgun - S3E22
#13 - Scavenger
Season 3 - Episode 22

Kuriba explains to Mikoto and Shokuho how she fears that the Doppelganger's "soul" might pose a threat to the city. The members of Scavenger move in to incapacitate and capture the Doppelganger, but find their task more difficult than expected.

The episode was rated #3 Worst episode of A Certain Scientific Railgun from 21 votes.

A Certain Scientific Railgun - S3E8
#14 - Mental Out
Season 3 - Episode 8

With the assistance of her friends, Mikoto identifies the location from the website data that Uiharu recovered. Upon arriving at the location, Mikoto finds Shokuho waiting for her, and reveals her side of the events that have led up to this point.

The episode was rated #4 Worst episode of A Certain Scientific Railgun from 23 votes.

A Certain Scientific Railgun - S1E6
#15 - Everyone Likes This Sort of Thing
Season 1 - Episode 6

Mikoto learns from Kuroko about a series of small harmless explosions in the city caused by graviton bombs where aluminum objects were uses as a catalyst. Unfortunately, the only suspect that has this ability was in the hospital during the whole time. Mikoto offers to help them investigate, but she is told by Kuroko to stay out of Judgment affairs. Mikoto tells her frustrations with Kuroko to Kazari in a cafe but she is dragged away by Kuroko, accidentally leaving behind her Judgment armband. When Mikoto tries to return it, she gets mistaken by Konori as another member of Judgment. Mikoto decides to play along to prove herself and show Kuroko she can be a better Judgment member. However, she’s surprised to find that a lot of Judgment work is menial, such as having to clean up after people, but she also gets to do her share of helping people in need, and it’s harder than she expected. Meanwhile, Kuroko and Kazari encounter a little girl who had lost her bag and calls Konori to help them search for the bag, which Mikoto assumes is related to the bombings and takes it seriously. Whilst searching, Mikoto encounters a boy being hassled by some thugs, who is very ungrateful for the rescue and instead is pissed off that she didn’t act quicker. They eventually find the bag being taken by a dog and Mikoto takes extreme measures to capture it safely, only to learn there wasn't a bomb threat in the first place. As Kuroko and Kazari return with the little girl to reclaim the bag, Mikoto's cover is blown, but she is thanked by everyone for her help nonetheless. Back at the Tokidawai Dorms, Mikoto reflects that being a member of Judgment isn't easy and has a new appreciation for what Kuroko and Judgment does, with Kuroko purposely misinterprets the saying and tries to harass Mikoto, but gets the door slammed into her back by the dorm supervisor who arrived to investigate the noise. Sometime later, two Judgment members evacuate a convenience store after detecting a graviton bomb inside but one them shields a civilian when the bomb goes off, causing a large explosion and seriously injuring him in the process.

The episode was rated #5 Worst episode of A Certain Scientific Railgun from 54 votes.

A Certain Scientific Railgun - S3E20
#16 - Ha Det Bra
Season 3 - Episode 20

Frenda and Saten find themselves under fire from an unknown assailant, and duck into a department store to find cover. When none of Frenda's usual tricks seems to work against their pursuer, she has no choice but to resort to drastic measures.

The episode was rated #6 Worst episode of A Certain Scientific Railgun from 23 votes.

A Certain Scientific Railgun - S3E7
#17 - Auribus oculi fideliores sunt
Season 3 - Episode 7

With Kongo out of danger, Awatsuki finishes the task of having her psychometrist friend probe the kitten's memories. What Saten hears gives her pause, and she turns to Kuroko for advice. Kozaku confronts Mikoto, asking her about the Sisters.

The episode was rated #7 Worst episode of A Certain Scientific Railgun from 26 votes.

A Certain Scientific Railgun - S3E10
#18 - Clone Dolly
Season 3 - Episode 10

Shokuho and Mikoto find themselves in a traffic jam, and Shokuho demonstrates a tremendous example of her ability. The background behind the Exterior project is revealed, as well as Shokuho's connection to one of the original Misaka clones.

The episode was rated #8 Worst episode of A Certain Scientific Railgun from 25 votes.

A Certain Scientific Railgun - S1E18
#19 - Cypress Park
Season 1 - Episode 18

After incurring her wrath the previous night, Mikoto and Kuroko spot the dorm supervisor walking about. They follow her to an orphanage where they are surprised to see a kindhearted dorm supervisor be friendly to the kids. Mikoto and Kuroko also spot Ruiko and Kazari helping out, and they notice the dorm supervisor appears to have feelings for their teacher, Daigo. Hoping it would change her attitude in the dorm, Kuroko offers to play cupid and get the two together. Whilst the gang help out with the kids the next day, the dorm supervisor and Daigo work together to make a cake, though she has a bit of trouble staying focused. As Mikoto plays with the kids, she is reminded of Harumi's memories. Just then, an earthquake kicks in and the dorm supervisor rushes to protect one of the kids, getting praise from Daigo. The two later go to dinner, where Daigo brings up the topic of marriage. However, a few days later, Daigo reveals he's planning to propose to one of the other helpers, and the dorm supervisor quickly reverts to her usual ways.

The episode was rated #9 Worst episode of A Certain Scientific Railgun from 38 votes.

A Certain Scientific Railgun - S1E5
#20 - A Certain Newbie Training of Two
Season 1 - Episode 5

While investigating a series of car break-ins, Kuroko and Uiharu encounter the culprit in the act but Kuroko rushes into action against Uiharu advice and gets knock out by the thief’s accomplice who was hiding inside the car. Uiharu tries to stop them but is tazered by the escaping thieves. Both of them get into an argument as Uiharu blames Kuroko recklessness for not listening to her to wait for backup. When Uiharu asks her about the promise they made, Kuroko doesn’t remember which angers Uiharu and causes her to storm off. Saten arrives at the Judgment’s 177th Branch Office to visit Uiharu who is currently in a foul mood which Mii Konori decides to explain how Uiharu and Kuroko became partners which, at the same time, a musing Kuroko tells to Mikoto. When they were still in grade school, Kuroko met Uiharu whilst both of them were training at Judgment. While on patrol with Konori, Kuroko felt she was being held back due to her age, but Konori that she needed to learn to work with others. To cheer her up, Konori decided to treat her and went to withdraw some money from the post office ATM’s, where Kuroko met up with Kazari again. However, Konori noticed a suspicious man carrying a gun, but failed to notify the staff before he made his move. Ignoring Konori’s orders, Kuroko quickly rushed to the bank robber and knocked him down. Unfortunately, the robber had an accomplice hiding among the crowds who had taken Uiharu hostage. With everyone distracted, the alarm was sounded, bringing the shutters down and activating a security bot. Kuroko again rushed towards the robber using the bot as cover, but Konori pushed her away when he destroys the bot, shielding her from the explosion and shrapnel. As the robber beat Kuroko, she blamed herself for being thoughtless and getting Konori hurt and Uiharu into this mess. She decided to save Uiharu by teleporting her outside while she keeps the robber trap inside. As Uiharu cried for help, the robber realized what Kuroko was planning but told her he could still escape thanks to his power “Equal Speed”, with which anything he throws will not stop no matter what obstacle is in its way, which he demonstrated by throwing a steel ball breaking thorough the shutters. He told Kuroko to use her powers to get the money in the ATM’s but she refuses, to which he responded by throwing a barrage of steel balls against her. But the balls were destroyed by an electrical blast shot by Mikoto, who anonymously answered Uiharu pleas. With the robber distracted, Kuroko used the opportunity to pin him down before he had a chance to act just as the police finally arrive. In the aftermath, Kuroko and Uiharu both promised with each other that they’ll help each other to become true to themselves and become better members of Judgment. Upon finishing the story, Kuroko realizes this was the promise Uiharu spoke of. When she gets a call from Konori that Uiharu has found the car thieves, with encouragement from Mikoto, Kuroko decides to go and help Uiharu.

The episode was rated #10 Worst episode of A Certain Scientific Railgun from 52 votes.

Last updated: dec 06, 2020



J.C. Staff (yes, THEM) did a great job with the Railgun series and created a very complementary side story to A Certain Magical Index which I think surpasses the original (particularly the second season, Railgun S). Mikoto Misaka aka "Biribiri" is one of my favorite anime characters and Railgun gets her front and center in the action, which is never a bad thing. I watched the first season of Index before this and I think that is the best way to truly enjoy this series. Railgun can definitely be watched without seeing Index first, but all the Touma (he is such a boss in Railgun vs in Index) cameos (and other characters allegedly) really lose their impact. And while Index was purely an action shounen, Railgun is more of a girly slice-of-life where the chicks also kick ass during their time off. This is particularly true of the first season which is about 50% SOL episodes. The second season is beyond epic and there are only a few fillers there. The biggest strength of this series is without a doubt the protagonist, Misaka. I love her. There is so much to her than just a tsundere with unspeakable esper powers. But it isn't until the second season, where her character really gets a chance to develop and go through some truly difficult hardships. Shirai is hilarious with her yuri love for Misaka and Uihara and Saten are there to be cute adding to the girly SOL part of this series. I wish that there was more Touma in Railgun (like in every single episode) but when he does appear, he comes off so much better than he does in Index (so much less preachy). The action scenes are animated very well and give us a great variety of esper powers especially in the second season. The soundtrack for Railgun is fantastic filled with great BGM tracks. I loved the OPs and EDs from both seasons (especially Dear My Friend and sisters noise). As I said earlier, the first season of Railgun is much heavier on the girly SOL. I didn't mind this that much but there were a few too filler episodes for my tastes. However, the second season of Railgun is epic and really cuts down on the filler. The first 16 episodes of season 2 cover the "Sisters" Arc which is hands down the best arc of the Raildex series and J.C. Staff knocked it out of the park. Even though Index covered it for a few episodes in the first season from Touma's perspective, Railgun really delves into everything Misaka had to go through especially her suffering and depression. I absolutely loved every moment of it, in particular the final battle, even though I kind of knew what was coming. The final arc is not as good, but I'll let it slide since the "Sisters" arc was so epic. So, I'd give the first season a 7/10 and the second season an 8/10 (a 9/10 for the Sisters Arc). If you've watched Index at all, Railgun is a must see if you liked Misaka in any capacity. One can never get enough of Biribiri. It is definitely a step up in quality from the Index series. And you don't have to watch Index before this (or at all) in order to enjoy Railgun but it definitely helps. Anyway, if you like watching girls doing girly things and kicking ass with crazy esper powers, this is the show for you.


Very enjoyable anime. Both seasons are well made and the music is superb.

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