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    General 
  • Pretty much any scene with Kuroko that, in some way, involves Mikoto.
  • Practically any scene where Saten flips Uiharu's skirt is hilarious.
  • Kiyama undressing in public in general are crowning moments.
  • Like the main series, the Sisters very weird personalities make sime funniest moments in Railgun as well.
  • Scenes with Misaki teasing Mikoto everytime she is with her, with sometimes resulting a petty fight between the two are hilarious.

    Level Upper Arc 
Episode 2
  • This:
    Postman: We have an order for Ms. Shirai Kuroko.
    Mikoto: What's the contents?
    Postman: Computer parts.
    Kuroko: [aside to audience] Phew, thank goodness these companies are always discreet about their products.
    Mikoto: Who sent it?
    Postman: Love Potions and Aphrodisiacs Incorporated.
    Kuroko: Why the hell did they bother to label it "computer parts" then!!

Episode 3

  • The reveal of what the villain has been doing to the girls she is attacking ("I have photographs, but it's not pretty. If you're going to look, prepare yourself."), the villain attempting to use the stun-gun on Mikoto, and the villain's Motive Rant.
    Saten: Uh...what?
    Mikoto: Yeah, you lost me somewhere in the middle there.

Episode 4

  • Anything that involves Mikoto and Touma. His reaction to being told the score will be settled when Mikoto wins, her coming at him with a chainsaw made of vibrating iron sand, her reaction to trying to shock him directly (through his right hand), his hilariously bad attempt to give up, and the fact that she then proceeded to chase him around for the entire night.
    • The tale of the Undressing Woman:
      Saten: This is a true story about what happened to an upperclassman's friend's boyfriend. One humid night when he passed a deserted park, he was asked directions to the station by a woman who was loitering around. As he was kindly explaining the way to her, looking somewhat distraught, she raised her arms...and suddenly...
      Mikoto: ...suddenly?
      Saten: ....took off her blouse.
      Mikoto: There's nothing scary about that at all!
  • When Kiyama undresses for the first time, people mistake Touma trying to get her to put her shirt back on for him taking it off; he runs away screaming "It's not what you think!"
    • Kuroko's reaction to hearing that the curse of the Undressing Woman is infectious.
    • Kiyama's previews for episodes 5 and 11:
    Kiyama: Ah, today was fun. And I also got the honor of doing the next episode preview. Maybe I should slowly undress. So next tim-
    Kuroko: Don't strip!
    Kiyama: Ah, today was also fun. How about I strip for the preview... Now, next episode—
    Mikoto: Don't strip!! Wait, I'm going to kick your ass!

Episode 8

Episode 9

  • Uiharu stands around, noting that Saten is late. Only for Saten to flip her skirt from behind (in the least subtle manner imaginable) and announces loudly "Today's blue stripes huh?" It's all topped by Uiharu crying and waving her fists in the air.
  • Kuroko getting mad at Kiyama for undressing in public at the cafe. What makes it funny is that Kuroko is talking about herself on how "Women with skewed sexual interests" get interested in seeing Kiyama's naked body. In the manga Saten also joins her saying that no women should show her panties. While Misaka and Uiharu looked on.
    • During the cafe scene, Uiharu and Saten are told she's a brain specialist.
      Saten: Is there something wrong with Shirai-san's brain?

Episode 13

  • The gang is modelling swimsuits in a holographic studio. Once they're done, Mikoto stays behind to try on the kiddy swimsuit she avoided before, and accidentally broadcasts everything on the giant billboard outside. Touma sees it and goes, "You Have GOT to Be Kidding Me!"

Episode 14

    Poltergeist Arc 
Episode 19
  • Uiharu feeling so happy and in ecstasy of experiencing her dream of what it's like to be a Tokiwadai student during the mid-summer festival... until Saten decides to wake her up back to reality by flipping her skirt!

    Sisters Arc 
Episode 3
  • Mikoto getting smacked in the head with a binder and Kuroko glomping Mikoto's giant teddy bear because it smells like her. Also Saten's reaction to Eri finding a stack full of cash cards.

Episode 4

  • Mikoto, after being led to believe that the Level 6 Shift was stopped, starts acting unnervingly cheerful, actually paying for her drink and not getting mad when Kuroko falls onto her chest. Kuroko is disturbed by this, so she tries to provoke Mikoto by telling her what kind of underwear she's wearing today. Mikoto instantly drops the facade and without hesitation shocks Kuroko.

Episode 5

  • Misaka first meeting 9982, whose first words are "Myah". Misaka is appropriately puzzled.
  • Mikoto's interactions with 9982; the argument getting interrupted by the ice-cream truck man, and 9982 stealing Mikoto's ice cream, then narrating her Blatant Lies about not eating it and the narration of her talking Mikoto into getting them tea, then Mikoto putting the Gekoto badge on 9982 and the slap fight when she wants it back after the clone says her taste sucks that devolves into Rapid-Fire Fisticuffs.

Episode 10

  • Misaka using a melt-reinforced doll as a battering ram, and the sheer "thunk" of the doll hitting Meltdowner in the face as she's taken by surprise.

Episode 15

  • Accelerator is very confused as to why he's looking at the moon. It takes him a minute to understand that he's been knocked flat on his back.

Episode 17

  • Kuroko gets freaked out when Mitsuko buys mice to feed to her pet boa.
  • Kuroko and Frenda get into a childish argument about whether Mikoto or Mugino is the best, leading to the former two groping the latter two's breasts and getting beaten up.
  • Kuroko bought turtle blood due to its fabled aphrodisiac properties. Naturally, Mikoto fries her.
  • The entire cookies incident.
    • First, after Touma gets hosptialized, Mikoto goes to visit him and brings some fancy store-bought cookies as thanks for his help. Touma then remarks that he would have expected her to bring home-made cookies and insults her baking skills in the process, resulting in her blasting him with lighting.
    • Then Mikoto goes to Saten to bake homemade cookies, explaining that she can't use the dorm kitchen because of all the people who would wonder who she was baking them for
      Mikoto: (thinking) Especially Kuroko, and Kuroko, and Kuroko.
    • Saten then begins teasing Mikoto relentlessly about having a boyfriend, to her flustered denials
    • Finally, when Mikoto goes to give them to Touma, she meets him unexpectedly and starts blushing and stammering while trying to explain that she made the cookies as thanks, leading Touma to think she's talking about ants and says he'll leave her to her research assignment. He does not get the cookies.

     Silent Party Arc 
Episode 20
  • Kuroko tries to join the others in the bathhouse, but runs into the Tokiwadai Dorm Supervisor, who forces her to massage her feet.

Episode 23

  • Kuroko makes a Sleeping Dummy for herself and Mikoto so they can sneak out of their dorm, but puts the two dummies in one bed. Mikoto smacks her.

Episode 24

  • The Judgement Army uses Kuroko's Catchphrase as their rallying cry.
    Judgment: Judgement desu no!
    Kuroko: What!?
  • Saten names an attack after Uiharu's panties. Uiharu is understandably upset.
  • Mikoto tries to end the episode the same way as the first season, by saying, "There's never a dull moment in Academy City." Her friends interrupt her to her great frustration.
    Everyone: Not when you're around, Misaka/Oneesama
    Mikoto: Just what do you mean by that!?
  • One for the series: Though it doesn't show up here, this arc takes place at the same time as Index's Angel Fall Arc. Meaning that everyone's appearances have been switched, even though they don't notice. Now imagine all of Kuroko's actions in this episode, done by Barack Obama.

     Daihaseisai Festival Arc 
Episode 1
  • At the beginning of the Daihaseisai, the managers are tasked with getting two of the Level 5's to introduce the games with a speech. Shokuhou agrees readily enough, but asking Accelerator, Kakine, and Mugino goes about as well as you'd expect, Misaka's unavailable, and nobody can find any information on #6 as many people claim to be him, so in desperation they are forced to ask Gunha Sogiita, who happens to beat a group of cheering squads at that time.
Episode 2
  • In the opening ceremony of Daihaseisai, Gunha forgets the speech in the middle of the athlete's pledge, so he decides to improvise and ends up doing a ridiculous speech in which he inserts the word Guts! everywhere he can. Misaki gets confused by this.
  • Misaki was stunned and speechless when her handbag is confiscated by Mii Konori (originally by Fukiyose in the manga).
  • Saten on Mikoto's mother:
    Saten: But... if I look at it part by part, you're like a duplicate of Misaka... apart from the chest.
    Mikoto: Alright, Saten-san, lets have a talk later. Alone.
    • Later, when Mikoto accidentally mentions Touma, her mother becomes interested and begins to ask Saten and Uiharu everything they know about the unknown boy who's been helping Mikoto lately, while Mikoto stays to a side, completely in shock.
  • Kongou Mitsuko trying, and failing, to rally Tokiwadai Middle School into countering Baba Yoshio's school's passionate rallying cry with one of their own. Tokiwadai's rallying cry could not be carried out in a more boring fashion if they tried.
Episode 7Episode 8Episode 10Episode 11
  • Touma and Gunha's reactions to each other effortlessly dispelling and deflecting Angel!Mikoto's beams and their thoughts.
    Touma: He punched down the electricity?
    Gunha: He negated the electricity?
    Both: Who is this guy?
  • Touma's reaction to Gunha's idea of getting him close to Mikoto: Fastball Special!
    Touma: No, what? Wait! Wait!!! Waitwaitwaitwaitwaitwaiiiii——aaaaaaaaaaaaaaahhhhhhhhhh!
Episode 14
  • Remember at the beginning of Index Volume 11 (Index II Episode 14 in the anime), Touma mentioned he was forced to dance with Mikoto and was kicked by Kuroko? This episode explains how it happens. When Mikoto is away to buy drinks, Touma, by coincidence, meets up with Saten (whom he met back in Episode 9). When Mikoto returns, her awkward reaction towards Touma makes Saten and Uiharu realize who he is, so the two come up with a plan to get Touma to dance with Mikoto. First, Saten asks Touma for a dance in return for her lending him her lucky charm. When he leaves, she feigns a grave injury and asks Mikoto to take her place. Mikoto tries to come up with an excuse, but Saten essentially browbeats her into grabbing Touma to the bonfire.
    • Then, during the dance, while Mikoto explains some of her actions, Touma gently teases her about how important he seems to be for her, causing her to grow a might blush.
    • During this whole time, Uiharu has been holding Kuroko, to the point that she pretty much tapes her mouth shut. In the end, though, Kuroko breaks free and drop kicks Touma, ending their dance.

     Dream Ranker Arc 
Episode 16Episode 18
  • The entire Bust Upper Indian Poker card incident that both Mikoto Misaka and Saiai Kinuhata were involved. During their confrontation they accidentally drop the Bust Upper card among the Indian Poker cards that the vendor's selling. So to settle this, they decide to buy all the Indian Poker cards and try them out. After multiple failed tries, they relocated to a hotel swimming pool (after getting kicked out of their first location for making too much noise), a crow happens to take the Bust Upper card and somehow it ends up with the same girl who bought the cards earlier... and it works, much to Mikoto and Saiai's displeasure, whom assume it was a trick.
Episode 19
  • Frenda, being a mackerel lover and not being able to buy one at the mart due to no stocks, decides to follow Ruiko and convince her to give one of the cans to her, even exchanging them with her bombs at hand. While she manages to get one, she used a powerful explosive tape and wasted a can, so she used her moeness to convince her again. It worked for her, probably.
    • At Ruiko's dorm, Frenda wanted mackerel in its pure form and hated it to put on other recipes, but that changes quickly when she eat a curry made of mackerel. Yeah, she even want more of these.
Episode 21
  • After the Bust Upper incident, Misaki decides to 'greet' Mikoto by making Kana (who Mikoto happens to met up before) says something she shouldn't be saying. After Kana left, Misaki decides to tease Mikoto on the Bust Upper incident she read from the trader. For the first time in the entire series, angry Mikoto did something Misaki did not expect her to do:
    Misaki: Pff... After fighting so desperately for it, you haven't changed at all. Is it so bad that you have to rely on urban legends? Did they actually grow by a few microns? Or is it because that your flat chest ability is so powerful that the card didn't work?
    Misaki: Misaka-san! What's wrong with you?
    Mikoto: (Realizes firsthand how much larger Misaki's chest is, kneels down and depresses on it.)
    Misaki: Could you not assault someone and then sink into despair?!
    • Moments later, when Misaki tells her the real reason she wants to meet Mikoto, Mikoto's... still not over it:
      Mikoto: (muttering) It's more than I ever imagined... That weight pressing down on my hands. They felt so soft even through the clothing yet they also had such great resilience pressing back at me. I was the one holding them yet they seemed to be absorbing and enveloping my hands...
      Misaki: (Gets up and smack Mikoto's head with her handbag) ENOUGH ABOUT MY BOOBS ABILITY!!
Episode 23
  • Leader, still not moving on from her previous encounter with Accelerator, tries to deceive Mikoto in order to avoid being curbstomped again with another Level 5. From convincing her that she is a Judgment member to giving her a Gekota communicator, she successfully persuaded Mikoto to help against the Doppelganger. She even almost wet her pants during this.
    • In relation to the above statement, at first, Leader and Yakumaru tries to deceive Mikoto that the Doppelganger was damaged before they encounter it, but Naru broke the tension by saying that they damaged it, causing Yakumaru to gag her for her klutzness:
      Naru (after Yakumaru telling that the Doppelganger was already damaged): What are you even saying? It broke with our attacks.
      Leader and Yakumaru (getting annoyed by Naru's klutzness): Forgot we had a moron.
      Naru: (does monkey-like noises while she gets gagged by Yakumaru)
      Yakumaru (while gagging Naru): We should take you to a doctor, Naru! Maybe that hit to your head with your memory!
  • Later on, Yakumaru manages to evacuate the Skill-Outs near the vicinity of the Doppelganger with a combination of her good looks, moeness and great acting skills. The Skill-Out thugs get captivated by it, as well as her co-member Naru.
Episode 25
  • Kuroko sees Mikoto and Misaki having a calm, even genial conversation, and immediately jumps to rationalizing that they're getting too chummy, which Mikoto denies. Misaki, however, decides to "reassure" Kuroko that she isn't interested in stealing Mikoto from her...but she might decide to steal Kuroko for herself all while coming at her from behind and saying it into her ear. Cue Kuroko having an embarrassed Freak Out and hugging Mikoto crying that she's "never felt such a threat to her chastity."
  • Misaki stealing a signature line from Mikoto, in which the latter gets angered by it:
    Misaki: There really never is a dull moment in this city, huh?
    Mikoto (hearing it while getting perverted by Kuroko): Huh? Hold on, Shokuhou!
  • On Scavenger's meeting at their base, Naru suggests having a fifth member on their team, akin to a Sentai show. Seike jokingly follows it with using Naru's Perfect Paper to transform themselves into heroes, but Naru takes it seriously by trying to strip Seike to test her suggestion. This cause a comedic quarrel between the two, all while Leader and Yakumaru seriously discuss themselves on improving their abilities. In the end, Naru successfully strip Seike, but Seike retaliates by gagging her, with a completely hilarious face.
Chapters that are not adapted
  • Chapter 73.5 (to be adapted in a radio drama): It turns out GROUP's accusation that Awaki is a shotacon is true.
  • Chapter 77: When Kuroko hears the Precog Boy's cute scream and laughs about it... somehow Uiharu forgot to tell him it's a secret:
    Precog Boy: Shut up, you pervert!
    Kuroko: Say what?!
    Precog Boy: Uiharu told me to stay away from you because you're a pervert!
    (Uiharu runs)
    Kuroko: (Sitting on Uiharu's back) Did you really think you could outrun a teleporter?
    Uiharu: I think we must always keep trying and never give up.
    • Immediately after, Uiharu (while still pinned down by Kuroko) spends a page talking about how amazing it is that everything worked out fine and no one is seriously injured when suddenly Kuroko preforms a pro-wrestling move on her:
      Kuroko: Yeah, it's really amazing (pulling Uiharu's head back) that you think you can escape by changing the subject like that!
      • Sadly, the above funny moment was not adapted in Railgun T Episode 17, likely due to time constraints.
  • Chapter 97.5: Taking place after Index Volume 16, Saten and Uiharu find Mikoto being flustered and in a daze. (In Volume 16, Mikoto confronted Touma about his amnesia. Afterwards, she came to realize her feelings for him.) When questioned, she talks about a friend (herself) dealing with feelings about a certain someone (Touma), who keeps getting himself involved in other people's affairs and the friend realizing her feelings for the boy. Saten and Uiharu immediately know that Mikoto is talking about Touma and silently think "Finally." When Saten asks what are the boy's preference, Mikoto replies symbols of motherhood, even mentioning the incident of Touma falling face first into Itsuwa's breasts, courtesy of the Amakusa.

     Jailbreak Trial Arc 
  • While the main cast are heading to the juvenile hall for the jailbreak trial, Kuroko is staring disapprovingly at Mikoto from behind. It turns out that Mikoto originally didn't plan on participating, but when the hall's director claims that his facility could even hold a Level 5, Mikoto couldn't stop herself rising to the bait.
  • Saten reveals that the prize for winning the jailbreak trial is a billion yen, then, because of the others' lack of reaction, comments that it must be considered pocket change for Tokiwadai students. Mikoto retorts that it's a fortune for most Tokiwadai students too, though mentally concedes that some (i.e. Mitsuko) do casually spend that much.
  • Saten's preparations for the jailbreak trial turning out to be useless:
    • She bought a pair of gloves that let her climb walls gecko-style. The gloves are goofy on their own, looking like giant animal paws. It then turns out that other people had the exact same idea, causing Saten to complain that they ripped off her idea (and Uiharu to retort that they both came up with the same idea). Finally, the other people get taken out, showing that her idea wouldn't have worked in the first place.
    • She also bought an Indian Poker card to give herself Youth Olympics-level long jump skills. She anticipates using this to jump over a pitfall, only for Kuroko to teleport her and the others across.
  • Ayame is participating in the trial as well... for the prize money. It turns out that buying entire trucks to support her power has left her deep in debt.
  • When Uiharu wins the challenge and prize money, she decides to donate it to the Child Errors in Asunaro Park. Saten is beside herself with grief that she didn't even keep a little bit of it for herself (and Saten herself, of course). Uiharu tries to laugh it off that if she really wanted to get that much money, she could just use her hacking skills and rob an electronic bank. Cue Saten walking away warily and Kuroko idly observing a pair of cuffs.
  • The reveal that the Jailbreak Trial was a trick to get a real prisoner out is genuinely terrifying (and awesome), but there's still some funny bits. The inside woman is very confused when her accomplices start talking about dragons and ninjas, she realizes she's the only adult so she's the only one who can be charged with a crime if they get caught, and of course it all worked out exactly as planned, leaving her standing there dumbfounded while the kids play cards.
    Suzu-nee: I can't believe the dragon and ninjas were real.

    MMR: Much More Railgun 
MMR 1
  • Ruiko flips Kazari's skirt as usual, but the former had a strange accent, resulting in them having repeated responses on each other. With the fanfare "Charge" on top, this scene makes it more hilarious.
    Saten:(in her strange accent) U-I-HA-RU! Are you wearing panties?
    Uiharu:I am!
    Saten:(in her strange accent) Really?
    Uiharu:I am! (their responses repeats)

    Clique Wars 

  • Mikoto's roommate Kessai Kiyoshi, in an effort to get in her good graces, spends hours eating snacks to find one with a Gekota clip. She fails, but Junko gives her a spare, thinking she's a fan. Kessai goes to give it to Mikoto, then sees Mikoto already has one. She gives it to her anyway, and Mikoto is seemingly excited; Kessai is depressed that Mikoto is able to pretend to be so excited, and muses that even such a seemingly nice girl is secretly lying to everyone. Then Mikoto puts on both hairpins, and Kessai realizes that no, she really was excited over having two of the stupid things.
  • During the big scene where the cliques confront the company manipulating them, Mikoto's ditzy gyaru roommate, who isn't in any of the cliques, comes along. Everyone but the clique leaders is very confused. Then, while arguing with the president of the company, she takes a moment to rummage in her bag for something... and pulls out a familiar armband. She's been in Judgment the entire time. She tells the company they're under arrest. All the girls (except the clique leaders) and the company president give a Big "WHAT?!".
  • Mikagami Nagisa normally restricts how much she'll adjust a girl's fat, but she gives out unlimited adjustments for the emergency. A few days later, one girl who got enormous breasts cries for them to go back to normal because her back hurts and she's tripping over everything since she can't even see her own feet. Another girl asked for zero percent body fat, but now she's cold all the time and she keeps getting sick. Nagisa facepalms.
    Mikagami Nagisa: That's why I asked if you were sure first!

    Misc. 
  • The OVA consists of Mikoto being stalked by a mysterious feeling of always being watched and the others trying to track down the cause and finally resolving it. Then Uiharu begins praising Kuroko and in the process reveals that most of it was actually Kuroko teleport-stalking Mikoto.
  • In a Railgun omake chapter, the male researchers from the Level 6 Shift project need the clones as close to the original as possible, so they try to figure out what kind of panties Mikoto wears under her shorts. A request for Tree Diagram to calculate a simulation is immediately denied ("Don't use me for stupid things"), so they send in the Hound Dogs, a black-ops mercenary squad. They break into the Tokiwadai dorm in the middle of the day in full gear...and are immediately slaughtered by the dorm supervisor. Just as the researchers are declaring that they'll have to take to the field themselves, the female researchers reveal that they just went out and bought 20,000 pairs of cheap panties.
  • In one of the non-canon Railgun omake chapters, Mikoto is talking to a newly amnesiac Touma about their fights. However, the way she says it sounds like something else altogether ("Every night, you chase me around and do This and That!"). Touma comes to the horrified conclusion that he's been raping a middle-school girl on a regular basis...so he immediately asks her to marry him.


Alternative Title(s): To Aru Kagaku No Railgun

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