Watch "A Certain Scientific Railgun S" on Netflix Japan

The curtain rises yet again on Academy City and the continuing adventures of the ultra-powerful Mikoto "Railgun" Misaka and her friends.

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After a disturbing dream, Mikoto heads out with Kuroko and they find a strange envelope with a cash card in it. Ruiko sees something odd at the mall.

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Mikoto confronts the strange girl, Shinobu Nunotaba, hoping to find out more about what happened to her DNA map. But Shinobu is less than cooperative.

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With the rumors seemingly over, Mikoto has a wonderful day shopping with her friends at Seventh Mist. Meanwhile, another clone awaits deployment.

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Mikoto spends quality time with her lookalike in an attempt to learn of her origins. Later, she discovers the existence of a disturbing project.

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Distraught by what's happened, Mikoto lashes out at the murderous white haired boy. But even her most powerful attacks are easily deflected back.

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Wracked with guilt, Mikoto destroys as many experimental facilities as she can. Kuroko comes across children looking for "Lucky Cards."

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There are only two facilities remaining, but a mercenary in one makes trouble for Mikoto. Meanwhile, Shinobu arrives at the other facility.

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Mikoto has Frenda cornered, but Mugino makes a dramatic appearance. Shinobu sneaks into the control room, hoping to disrupt the experiment.

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Now that Shizuri wants a direct battle, a weakened Mikoto uses Frenda's explosives to try to even the score and escape the facility.

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Seemingly back to her normal life, Mikoto bumps into Toma next to her beloved vending machine. But her delight is short lived when a Sister appears.

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Mikoto decides to destroy the Tree Diagram supercomputer in hopes of halting the experiments. Meanwhile, Toma helps look after a cat.

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In shock at having learned the truth, Mikoto attacks another facility out of desperation. Later, Toma finds the corpse of a fallen Sister.

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After being let into Mikoto's room and finding something there, Toma traces her to a bridge and tries to talk her out of doing something rash.

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A weakened Toma races to the experimental site to confront Accelerator, the strongest being in Academy City. Mikoto witnesses a surprising punch.

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Accelerator realizes the true reason he was fighting and Toma delivers a final punch. The experiments are cancelled. Mikoto visits the hospital.

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With things finally back to normal, Ruiko plans a hotpot party for everyone. To attend, Mikoto must obtain permission from an imposing figure.

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The gang visits Banri, who is soon to be discharged. The celebration is interrupted when Judgement is called to investigate a traffic signal problem.

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The gang looks into a mysterious young girl named Febrie. Not finding much, they then arrange for her to live in an orphanage.

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The runaway security robots attract Yomikawa's continued attention. Meanwhile, Mii invites everyone for a bath in the hot springs.

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After discovering a dark truth about Febrie, Mikoto is determined to find the person responsible. She realizes she can't do it all by herself.

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With only 72 hours left, Mikoto must turn to a despised informant. Later, she tells the others about a mysterious man, as well as Febrie's origins.

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Aritomi reveals the cynical motivations behind his project. Shinobu wants to fight him but with Mikoto paralyzed, the situation looks bleak.

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The Judgement team and their friends gear up for the ultimate battle. Mikoto and Febrie confront Aritomi directly, but he's not done yet.

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