A Certain Scientific Railgun Season 2 Episode 2 English Dubbed Episode Title:Critical.Episode Description:Mikoto recalls in a dream of how, when she was younger, she was approached by scientists wanting to use her DNA map to help cure Duchenne muscular dystrophy. The next morning, Kuroko tries to take Mikoto through an alleyway to get to the mall, but they encounter a few people passing by. They discover this is due to someone hiding envelopes containing cash cards within the alleyways, piquing people's curiosity to search for them. After running into Ruiko, who is also on the hunt for the money cards, Mikoto overhears some Skill-Outs who have managed to locate the source of the envelopes and decides to follow them. Meanwhile, Ruiko grows curious as she had allegedly seen Mikoto at the mall, despite Mikoto never actually getting there, with Mii Konori explaining to Kazari about a rumor of there being clones of a Level 5 esper. The Skill-Outs eventually trace the envelopes back to a Nagatenjōki Academy student, demanding she hand over the other envelopes. Things get tense, however, when it appears the Skill-Outs are gradually getting killed off by the girl, who claims to be able to freely kill anyone she has touched. When Mikoto arrives on the scene, the girl, who had simply knocked out all the Skill-Outs using anesthetic and clever acting skills, recognizes her as the "original".