Tasked with preventing an impending World War III by an alternate Suzuha, Okabe finds himself playing an active part in Kurisu's death.

Cast: Mamoru Miyano, Asami Imai, Kana Hanazawa, Tomokazu Seki, Yukari Tamura, Mitsuru Ogata, Katsunori Kobayashi, Naoko Sakakibara, Ashly Burch, John Burgmeier, Leah Clark, Cherami Leigh, Trina Nishimura, Tyson Rinehart, J. Michael Tatum