A Certain Scientific Railgun

A Certain Scientific Railgun (2009 – ...)

2009 • 4 seasons • Animation, Action & Adventure • TV-14

On August 9, 2026

#7345 ▲ 164

7345th by attention TV show online

9.0 Attention Score

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photo from the episode

Episode 12 — Tree Diagram

Season 2 • A Certain Scientific Railgun

Released: 2013-06-28 • Animation/Action & Adventure/Comedy/Sci-Fi & Fantasy

67%

User score

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.

Where to Stream Episode 12

Season 2 · Episode 12 · Streaming in USA

JustWatch

Crunchyroll Amazon Channel

Episodes

Episode 1
Railgun
2013-04-12

Episode 2
Critical
2013-04-19

Episode 3
Project Radio Noise
2013-04-26

Episode 4
Sisters
2013-05-03

Episode 5
Project Level 6 Shift
2013-05-10

Episode 6
I... Can See All of You
2013-05-17

Episode 7
I... I Want to Be of Help To You, Sissy
2013-05-24

Episode 8
ITEM
2013-05-31

Episode 9
AIM Stalker
2013-06-07

Episode 10
Meltdowner
2013-06-14

Episode 11
The Vending Machine
2013-06-21

Episode 12
Tree Diagram
2013-06-28

Episode 13
Accelerator
2013-07-05

Episode 14
The Promise
2013-07-12

Episode 15
Kamijo Toma
2013-07-19

Episode 16
Sisterhood
2013-07-26

Episode 17
Study Group
2013-08-02

Episode 18
Moving
2013-08-16

Episode 19
Academic Reach Assembly
2013-08-23

Episode 20
Febri
2013-08-23

Episode 21
Darkness
2013-08-30

Episode 22
STUDY
2013-09-06

Episode 23
Silent Party
2013-09-13

Episode 24
Eternal Party
2013-09-20

Information

Episode air date	28.06.2013
Episode runtime	—
Episode rating	6.70
Genres	Animation / Action & Adventure / Comedy / Sci-Fi & Fantasy
TMDB series rating	7.4
IMDb series rating	7.4
Series status	Returning series
Age rating	14+
Country	JP

Trailer

Additional videos

A Certain Scientific Railgun T - Opening 2 | dual existence

A Certain Scientific Railgun T - Opening 2 | dual existence

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3rd Ranked Misaka Mikoto | A Certain Scientific Railgun T

3rd Ranked Misaka Mikoto | A Certain Scientific Railgun T

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A Certain Scientific Railgun T - Opening | final phase

A Certain Scientific Railgun T - Opening | final phase

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Official Trailer

Official Trailer

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Cast

Rina Sato
Mikoto Misaka (voice)

Satomi Arai
Kuroko Shirai (voice)

Aki Toyosaki
Kazari Uiharu (voice)

Kanae Itou
Ruiko Saten (voice)

Minako Kotobuki

Minako Kotobuki
Mitsuko Kongou (voice)

Atsuko Tanaka
Harumi Kiyama (voice)

Atsushi Abe
Toma Kamijo (voice)

Kana Ueda
Mii Konori (voice)

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