A Certain Scientific Railgun Darkness (Season 2, Episode 21)
TV-14
TV Episode | 24 min | Animation, Action, Comedy

A Certain Scientific Railgun

Darkness (Season 2, Episode 21)

TV-14

TV Episode | 24 min | Animation, Action, Comedy

With the revelation that Febrie 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.

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Cast	+ Add Cast
35 cast members

Name	Known for
Rina Satô Mikoto Misaka (voice) (as Rina Sato) Mikoto Misaka (voice) (as Rina Sato) See fewer	Sailor Moon Crystal (2014)
Satomi Arai Kuroko Shirai (voice) Kuroko Shirai (voice) See fewer	Re: Zero - Starting Life in Another World (2016)
Aki Toyosaki Kazari Uiharu (voice) Kazari Uiharu (voice) See fewer	K-On! (2009)
Kanae Itô Ruiko Saten (voice) Ruiko Saten (voice) See fewer	Dragon Ball: Xenoverse (2015)
Ikumi Hayama Shinobu Nunotaba (voice) Shinobu Nunotaba (voice) See fewer	Strike the Blood (2013)
Nozomi Sasaki Misaka 10032 (voice) Misaka 10032 (voice) See fewer	A Certain Magical Index (2008)
Kana Ueda Mii Konori (voice) Mii Konori (voice) See fewer	Fate/stay night (2006)
Minako Kotobuki Mitsuko Kongo (voice) Mitsuko Kongo (voice) See fewer	Doubutsu Sentai Zyuohger (2016)
Yûko Kaida Aiho Yomikawa (voice) Aiho Yomikawa (voice) See fewer	The Promised Neverland (2019)
Yutaka Nakano Frog-Faced Doctor (voice) Frog-Faced Doctor (voice) See fewer	Ghost in the Shell (1995)
Iori Nomizu Febrie (voice) Febrie (voice) See fewer	Date a Live (2013)
Junji Majima Haruki Aritomi (voice) Haruki Aritomi (voice) See fewer	Destiny of the Shrine Maiden (2004)
Yûsuke Kobayashi Shunichi Kosako (voice) Shunichi Kosako (voice) See fewer	Re: Zero - Starting Life in Another World (2016)
Takahiro Hikami Hirotada Sekimura (voice) Hirotada Sekimura (voice) See fewer	I'm Standing on a Million Lives (2020)
Rei Mochizuki Jun Sakurai (voice) Jun Sakurai (voice) See fewer	Gunslinger Stratos: The Animation (2015)
Makoto Furukawa Kenji Madarame (voice) Kenji Madarame (voice) See fewer	Kaguya-sama: Love is War (2019)
Sayaka Ôhara Therestina Kihara Lifeline (voice) Therestina Kihara Lifeline (voice) See fewer	Your Name. (2016)
Cole Brown Frog-Faced Doctor (voice) (version: English) Frog-Faced Doctor (voice) (version: English) See fewer	One Piece (1999)
Chris Burnett Kosako (voice) (version: English) Kosako (voice) (version: English) See fewer	Summer Wars (2009)
Chris Cason Sekimura (voice) (version: English) Sekimura (voice) (version: English) See fewer	Dragon Ball Z: Battle of Gods (2013)
Clifford Chapin Madarame (voice) (version: English) Madarame (voice) (version: English) See fewer	Spider-Man 2 (2023)
Leah Clark Frenda Seivelun (voice) (version: English) Frenda Seivelun (voice) (version: English) See fewer	Evangelion: 1.0 You Are (Not) Alone (2007)
Colleen Clinkenbeard Therestina (voice) (version: English) Therestina (voice) (version: English) See fewer	Wolf Children (2012)
Kara Edwards Febrie (voice) (version: English) Febrie (voice) (version: English) See fewer	Dragon Ball Z: Battle of Gods (2013)
Martha Harms Yomikawa (voice) (version: English) Yomikawa (voice) (version: English) See fewer	Borderlands 2 (2012)
Brittney Karbowski Mikoto Misaka / Misaka 10032 (voice) (version: English) Mikoto Misaka / Misaka 10032 (voice) (version: English) See fewer	Parasyte: The Maxim (2014)
Lauren Landa Sakurai (voice) (version: English) Sakurai (voice) (version: English) See fewer	Attack on Titan (2013)
Cherami Leigh Uiharu (voice) (version: English) Uiharu (voice) (version: English) See fewer	Temple Grandin (2010)
Lydia Mackay Shizuri Mugino (voice) (version: English) Shizuri Mugino (voice) (version: English) See fewer	Attack on Titan (2013)
Jamie Marchi Mitsuko Kongo (voice) (version: English) Mitsuko Kongo (voice) (version: English) See fewer	High School DxD (2012)
Trina Nishimura Konori (voice) (version: English) Konori (voice) (version: English) See fewer	Attack on Titan (2013)
Mariela Ortiz Nunotaba (voice) (version: English) (as Mariela Oritz) Nunotaba (voice) (version: English) (as Mariela Oritz) See fewer	Replicas (2018)
Brina Palencia Saten (voice) (version: English) Saten (voice) (version: English) See fewer	Dragon Ball Z: Battle of Gods (2013)
J. Michael Tatum Aritomi (voice) (version: English) Aritomi (voice) (version: English) See fewer	Black Butler (2008)
Alison Viktorin Kuroko Shirai (voice) (version: English) Kuroko Shirai (voice) (version: English) See fewer	Wolf Children (2012)