The BEST episodes of A Certain Scientific Railgun season 1

Every episode of A Certain Scientific Railgun season 1, ranked from best to worst by thousands of votes from fans of the show. The best episodes of A Certain Scientific Railgun season 1!

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'.

Last Updated: 3/7/2025Network: AT-XStatus: Ended
AIM Burst
star
8.89
177 votes

#1 - AIM Burst

Season 1 - Episode 12 - Aired 12/19/2009

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!

Directors: Hideki Tachibana
Watch Now:Amazon
Urban Legends
star
8.64
190 votes

#2 - Urban Legends

Season 1 - Episode 4 - Aired 10/24/2009

Awkwardness ensues when Mikoto runs into Kamijo. When they meet again later in the day, Mikoto demands a duel! She gives it her all, but there’s a chance she’s no match for Kamijo’s powers.

Directors: Hideki Tachibana
Writer: Miya Asakawa
Watch Now:Amazon
Dear My Friends
star
8.61
142 votes

#3 - Dear My Friends

Season 1 - Episode 24 - Aired 3/20/2010

Misaka and her friends reach the facility where the children are being held, but Therestina uses Capacity Down to take the Espers out of the fight. With everything on the line, it’s up to Saten to save the day.

Watch Now:Amazon
Academy City
star
8.49
138 votes

#4 - Academy City

Season 1 - Episode 16 - Aired 1/23/2010

Konori’s past with Big Spider is revealed. In the present, she finds herself torn. Can she honor her responsibilities as a Judgment officer while somehow remaining loyal to Kurozuma?

Watch Now:Amazon
What Is It You See In Your Eyes Right Now?
star
8.48
137 votes

#5 - What Is It You See In Your Eyes Right Now?

Season 1 - Episode 23 - Aired 3/13/2010

Therestina reveals new information about her real identity and her master plan. Meanwhile, Kuroko and the gang vow to fight alongside Misaka in order to save the children jeopardized by Therestina’s activities.

Watch Now:Amazon
Level 6
star
8.47
137 votes

#6 - Level 6

Season 1 - Episode 22 - Aired 3/6/2010

The past comes into focus as Haru'ue and Edasaki’s connection to a common Child Error facility is revealed. Later, Misaka sets out to find Kiyama after learning that the rogue scientist is out on bail and working with the Frog Doctor.

Watch Now:Amazon
Abilities and Powers
star
8.45
176 votes

#7 - Abilities and Powers

Season 1 - Episode 7 - Aired 11/14/2009

As Kuroko and Konori begin to suspect Judgement officers are the true targets of the mysterious bomber, Uiharu, Mikoto, and Saten find themselves in an explosive situation while shopping!

Directors: Kenichi Yatani
Writer: Michiko Itou
Watch Now:Amazon
Voices
star
8.41
138 votes

#8 - Voices

Season 1 - Episode 21 - Aired 2/27/2010

Kuroko suspects Haru'ue has something to do with the recent poltergeisting events, and it’s causing tension between her and Uiharu. Later, Haru'ue reveals a hidden part of her past.

Watch Now:Amazon
Dr. Kiyama
star
8.40
176 votes

#9 - Dr. Kiyama

Season 1 - Episode 11 - Aired 12/12/2009

After inadvertently connecting to Kiyama’s mind, Mikoto learns what’s been motivating the doctor’s actions. Later, when the network goes out of control, Mikoto comes face to face with a monster!

Directors: Kei Umabiki
Watch Now:Amazon
Tsuzuri's Summer Vacation
star
8.36
139 votes

#10 - Tsuzuri's Summer Vacation

Season 1 - Episode 17 - Aired 1/30/2010

After Komoe and Yomikawa encourage her to get a hobby, Tesso rediscovers an old school arcade game she loved as a child and forms an unlikely bond with a fellow fan.

Watch Now:Amazon
A Certain Pair of New Trainees
star
8.36
179 votes

#11 - A Certain Pair of New Trainees

Season 1 - Episode 5 - Aired 10/31/2009

Uiharu and Kuroko have an argument that leads to recollections of the past, when the girls were young Judgment recruits, and a dangerous mission resulted in a life-long promise between friends.

Watch Now:Amazon
Midsummer Festival
star
8.32
136 votes

#12 - Midsummer Festival

Season 1 - Episode 19 - Aired 2/13/2010

The midsummer festival arrives, and students are preparing to show off their school for friends and family. Misaka’s scheduled to perform a violin solo for the festivities - if her nerves don’t get the best of her!

Watch Now:Amazon
Skill Out
star
8.30
169 votes

#13 - Skill Out

Season 1 - Episode 15 - Aired 1/16/2010

Misaka and Kuroko investigate a gang called Skill Out. The group is known to be attacking Espers all over Academy City - but in some instances, a mysterious man arrives just in time to stop the confrontation.

Watch Now:Amazon
Poltergeist
star
8.30
140 votes

#14 - Poltergeist

Season 1 - Episode 20 - Aired 2/20/2010

The gang discovers that the recent wave of earthquakes is connected to a phenomenon called poltergeisting - and there’s a chance Uiharu’s new roomie might be somehow be involved.

Watch Now:Amazon
Level Upper
star
8.29
176 votes

#15 - Level Upper

Season 1 - Episode 8 - Aired 11/21/2009

Mikoto and Kuroko ponder the ramifications of Kaitabi’s shocking display of strength and wonder if Level Uppers actually exist. Before they can find answers, Kaitabi mysteriously slips into a coma!

Directors: Makoto Sokuza
Watch Now:Amazon
Everyone is Proactive When it Comes to This
star
8.20
181 votes

#16 - Everyone is Proactive When it Comes to This

Season 1 - Episode 6 - Aired 11/7/2009

Someone is planting bombs all over Academy City, and it’s up to Judgment to stop the person responsible. Mikoto, wanting a piece of the action, uses Uiharu’s badge to investigate on her own.

Directors: Toshio Ishikawa
Watch Now:Amazon
Electromaster
star
8.19
189 votes

#17 - Electromaster

Season 1 - Episode 1 - Aired 10/3/2009

Mikoto, Kuroko, Kazari, and Ruiko take action against a gang of bank robbers. When Ruiko is injured trying to rescue an innocent bystander, Mikoto angrily unleashes her railgun power!

Directors: 長井龍雪
Writer: 水上清資
Watch Now:Amazon
When Working Under a Hot Sun, Rehydration is Essential
star
8.16
192 votes

#18 - When Working Under a Hot Sun, Rehydration is Essential

Season 1 - Episode 2 - Aired 10/10/2009

Mikoto and Kuroko get in trouble for using their powers in the dorm. Their punishment: pool cleaning duty! Later, Kuroko finds herself feeling frisky after accidentally ingesting a powerful aphrodisiac!

Directors: Tamaki Nakatsu
Watch Now:Amazon
Silent Majority
star
8.15
176 votes

#19 - Silent Majority

Season 1 - Episode 10 - Aired 12/5/2009

Saten falls into a coma after she confesses using a Level Upper to Uiharu. Later, Mikoto and Kuroko discover that all of the recent coma patients are connected - in more ways than one!

Watch Now:Amazon
Asunaro Park
star
8.14
137 votes

#20 - Asunaro Park

Season 1 - Episode 18 - Aired 2/6/2010

Misaka and the girls decide to play matchmaker with their dorm’s Head Resident and Daigo, Uiharu and Saten's teacher. Things look to be working out - until Daigo brings up the subject of marriage.

Watch Now:Amazon
Majority Report
star
8.09
175 votes

#21 - Majority Report

Season 1 - Episode 9 - Aired 11/28/2009

Even as Mikoto and Kuroko question Dr. Kiyami about the side-effects of Level Uppers, Saten wonders if she should use the one she recently found - even though there could be dangerous consequences.

Watch Now:Amazon
Tokiwadai is Targeted
star
8.08
190 votes

#22 - Tokiwadai is Targeted

Season 1 - Episode 3 - Aired 10/17/2009

Someone is tasering students and drawing on their faces with permanent marker! While Kuroko and Kazari investigate, poor Ruiko becomes the latest victim. Who is behind the unusual attacks?

Directors: Takashi Kawabata
Watch Now:Amazon
A Bikini Divides the Eyeline Between Top and Bottom, But a One-piece Shows Off the Figure, so They Only Flatter the Slender
star
8.06
169 votes

#23 - A Bikini Divides the Eyeline Between Top and Bottom, But a One-piece Shows Off the Figure, so They Only Flatter the Slender

Season 1 - Episode 13 - Aired 12/26/2009

The Swim Club recruits Misaka and the gang to strut their stuff as swimsuit models! Later, after taking a break from posing and primping, the girls work together to make some curry.

Writer: Michiko Itou
Watch Now:Amazon
Special Workshop
star
8.06
172 votes

#24 - Special Workshop

Season 1 - Episode 14 - Aired 1/9/2010

Saten and the other students who used the Level Upper learn some valuable lessons when they attend a special weekend workshop taught by Komoe and Yomikawa.

Watch Now:Amazon