Durarara!!

Season 1, Episode 14

Episode Title: Turmoil Reigns

Air Date: 2010-04-16

Overview:

Anri is attacked by the Slasher. The same night, the user Saika appears in the chatroom, and posts a puzzling message. Mikado, worried about rumors that the Slashers are the Dollars, decides to cooperate with Celty.