第 4 集: Aogiri 入侵 Cochlea，Kaneki 在 Amon 調查期間與 Orca 對峙
2015年1月30日 播出
Aogiri commences their invasion of Cochlea and free a majority of the imprisoned ghouls while Amon and Akira visit the prison to learn more about Aogiri's plan from Donato Porpora. Amid the battles between the CCG, Cochlea security and ghouls, Kaneki meets a ghoul named Orca with orders to break him free, but is attacked by him instead. (Source: Wikipedia)