Ep. 13: Accelerator
Ipinalabas noong Hulyo 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 Kamijou searches for Misaka's missing sister. (Source; FUNImation)