Toaru Majutsu no Index Episode 20 English Subbed Episode Title:Final Signal (Virus Code).Episode Description:Accelerator returns to the diner and learns about Last Order being kidnapped by Ao. He manages to track him down and knocks him out before he can escape with her. However, the virus in Last Order activates earlier than expected and Kikyö is still en route with her incubator. Accelerator uses his ability, along with the clean copy of Last Order's data, to remove the virus. Near the end of the process, Ao regains consciousness and shoots Accelerator in the head...