The BEST Episodes of A Certain Scientific Railgun

Every episode ever - ranked by fan votes!

Last Updated: Dec 24, 2021

Network: AT-X

This story is set in a world where supernatural powers exist through science, and magic exists through religion, in ‘University City.’ (2.3 million inhabitants) Meet the civilian protagonist Mikoto and her friend Kuroko, maintainers of peace and order at the University district, as members of the 'Judgement'.

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Silent Party

#1 - Silent Party

Season 2 - Episode 23 - Aired Sep 20, 2013

Aritomi reveals his motivations for STUDY's project to Misaka. She also learns about Nunotaba's plight, and some of the details concerning what STUDY has planned at the Reach Assembly the next day. Will she be able to escape and put a stop them?

star 9.52
120 votes
Kamijo Toma

#2 - Kamijo Toma

Season 2 - Episode 15 - Aired Jul 19, 2013

Kamijo races to the scene of the experiment, only to find that it has already started. Kamijo calls out Accelerator, who takes him to be yet another challenger to his position, until for the first time, as Misaka watches on, he gets his nose bloodied.

star 9.46
100 votes
Eternal Party

#3 - Eternal Party

Season 2 - Episode 24 - Aired Sep 27, 2013

Shirai, Konori, Kongo and friends, and Uiharu and Saten confront the powered suits at the four Assembly sites, where they soon receive backup. Misaka and Febrie move to take on Aritomi directly, but he has one final surprise up his sleeve for them.

star 9.44
94 votes
The Promise

#4 - The Promise

Season 2 - Episode 14 - Aired Jul 12, 2013

While Shirai frets about Misaka staying out again all night, she receives a visit from Kamijo, who manages to find Misaka's documents about the project. Kamijo catches up with Misaka on a bridge, where he tries to talk her out of doing anything rash.

star 9.43
98 votes

#5 - Darkness

Season 2 - Episode 21 - Aired Sep 6, 2013

With the revelation that Febri is synthetic, Misaka is determined to find whoever built her, and have them fix her. The investigation is stalled on all fronts, even with the help of her friends running down leads, until help comes from a surprise source.

star 9.40
121 votes

#6 - Accelerator

Season 2 - Episode 13 - Aired Jul 5, 2013

Thwarted in her attempt to sabotage Tree Diagram, Misaka takes her frustration out on a nearby lab that is part of the project. Meanwhile, Accelerator and #10031 carry out their experiment, while Kamijo searches for Misaka's missing sister.

star 9.37
92 votes

#7 - Sisterhood

Season 2 - Episode 16 - Aired Jul 26, 2013

Misaka stands up for clone #10032, declaring that she is doing so because they are sisters. The next day, the two of them spend time in a park, where 10032 asks her for a special favor. Later, Misaka has difficulty trying to express her thanks to Kamijo.

star 9.36
100 votes

#8 - Sisters

Season 2 - Episode 4 - Aired May 3, 2013

In high spirits, Misaka joins the other girls for a day of shopping at Seventh Mist, where she helps the others with their shopping, as well. Misaka spends another day playing with children. One of Misaka's clones goes through the phases of her training.

star 9.28
93 votes

#9 - Meltdowner

Season 2 - Episode 10 - Aired Jun 14, 2013

Having realized who Misaka is, Mugino decides to give her a run for her third-place ranking. When Frenda mistakenly leaves her doll-bombs behind while heading to the other facility, Misaka collects them and uses them to supplement her diminished powers.

star 9.27
94 votes
Project Level 6 Shift

#10 - Project Level 6 Shift

Season 2 - Episode 5 - Aired May 10, 2013

Finding herself face-to-face with a clone of herself, Misaka ends up helping her get a cat out of a tree, sharing ice cream cones, and having tea with her. It isn't until later that Misaka discovers the true, sinister project that calls for her clones.

star 9.24
101 votes

#11 - ITEM

Season 2 - Episode 8 - Aired May 31, 2013

The members of the underworld organization ITEM finish one mission, and are called in to defend the remaining facilities. When Misaka tries to infiltrate one building, she encounters Item member Frenda. Meanwhile, Nunotaba drops in at the other facility.

star 9.23
96 votes
Tree Diagram

#12 - Tree Diagram

Season 2 - Episode 12 - Aired Jun 28, 2013

Misaka sets out on one last mission to put a halt to the experiments by destroying the supercomputer Tree Diagram. Meanwhile, Kamijo runs into Misaka's clone #10032 again, and the two of them decide what they should do about a stray kitten she has found.

star 9.22
94 votes
The Vending Machine

#13 - The Vending Machine

Season 2 - Episode 11 - Aired Jun 21, 2013

Misaka and Kamijo meet again at the malfunctioning vending machine in the park, where Shirai mistakes him for being Misaka's boyfriend. Misaka becomes shaken when she bumps into another Misaka clone, and learns that the experiments are still ongoing.

star 9.22
93 votes
AIM Stalker

#14 - AIM Stalker

Season 2 - Episode 9 - Aired Jun 7, 2013

As Misaka continues her way into the research facility, she and Mugino play a game of cat-and-mouse. Meanwhile, at the other facility, Nunotaba sneaks into a control room, planning to disrupt the experiment by adding a new factor to the Misaka Network.

star 9.21
94 votes
I... Can See All Of You

#15 - I... Can See All Of You

Season 2 - Episode 6 - Aired May 17, 2013

Misaka lashes out at Accelerator, but is left frustrated. She realizes the full breadth of the situation she has become involved in, and feels responsible for allowing it to happen. Nunotaba discusses the ramifacations of the clones' existence with Misaka.

star 9.21
95 votes

#16 - STUDY

Season 2 - Episode 22 - Aired Sep 13, 2013

Therestina reluctantly provides Misaka with the clues she needs to find the group behind Febrie's secret. With Kongo's help, the girls identify Aritomi as the man they are pursuing, and find out more about him and his company, the STUDY Corporation.

star 9.18
90 votes

#17 - Febri

Season 2 - Episode 20 - Aired Aug 30, 2013

As Yomikawa takes over investigating the runaway security robots, Konori invites the whole gang out to take in a bath at a bathhouse. On their way home, a number of detours lead them to a confrontation with yet another, much more dangerous runaway robot.

star 9.17
92 votes
Academic Reach Assembly

#18 - Academic Reach Assembly

Season 2 - Episode 19 - Aired Aug 23, 2013

Febri takes an instant liking to Saten, and is warm to everyone except for Misaka, much to her chagrin. At Judgment, Uiharu is unable to find any information on who Febri is, so arrangements are made to admit her into an orphanage as a "Child Error."

star 9.14
92 votes
I... I Want To Be Of Help To You, Sissy

#19 - I... I Want To Be Of Help To You, Sissy

Season 2 - Episode 7 - Aired May 24, 2013

Misaka manages to sabotage most of the experimental facilities remotely before she is cut off, leaving her to deal with the rest in person. Shirai resolves to help Misaka by doing her part to be more vigilant at work, but risks shutting the others out.

star 9.10
94 votes

#20 - Railgun

Season 2 - Episode 1 - Aired Apr 12, 2013

Haru'ue joins Saten and Uiharu on a trip to the Garden of Learning to see Misaka and Shirai, as well as to do some shopping. They later go to visit Edasaki in the hospital, where she is undergoing physical therapy, when things take an unexpected twist.

star 9.09
108 votes

#21 - Critical

Season 2 - Episode 2 - Aired Apr 19, 2013

After dreaming of her past, Misaka sets out for a day of shopping, but when Kuroko suggests a shortcut, they find an envelope with a cash card in it--one of many placed throughout town. Elsewhere, Saten thinks she sees someone who looks like Misaka.

star 9.09
98 votes
Project Radio Noise

#22 - Project Radio Noise

Season 2 - Episode 3 - Aired Apr 26, 2013

Rumors swirl about that Misaka is the template for a project to produce Level 5 clones. When Nunotaba refers to her as the "Original," Misaka decides to check her out, and learns that she worked at the hospital where Misaka submitted her DNA map.

star 9.06
97 votes

#23 - Moving

Season 2 - Episode 18 - Aired Aug 16, 2013

Edasaki is due to be discharged from the hospital, and it is learned that she will be living with Haru'ue. The move is bittersweet for Uiharu, who is losing her roommate, but she feels it is for the best. Meanwhile, a new movement is afoot in the city.

star 9.05
97 votes
Study Group

#24 - Study Group

Season 2 - Episode 17 - Aired Aug 2, 2013

With the end of summer vacation approaching, the girls plan a study session at Saten's apartment to catch up on homework. Everyone is to bring an ingredient for a potluck stew party, but most have trouble deciding what to buy, leading to some surprises.

star 8.98
102 votes
AIM Burst

#25 - AIM Burst

Season 1 - Episode 12 - Aired Dec 19, 2009

The girls work to stop the monster before it reaches a nuclear power plant! Uiharu’s efforts slow the abomination down, but Mikoto might be the only person able to stop the creature’s rampage!

star 8.97
169 votes
Writers: Seishi Minakami