With the help of Kurisu and Moeka, Okabe attempts to get closer to the IBN 5100 and the mysterious FB. As he closes in on SERN's network, he realizes that the path to victory will not be without additional sacrifice.

Cast: Mamoru Miyano, Asami Imai, Kana Hanazawa, Tomokazu Seki, Saori Gotô, Yû Kobayashi, Masaki Terasoma, Ayano Yamamoto, Takahito Soda, Takayuki Saito, Ashly Burch, Jessica Cavanagh, R. Bruce Elliott, Mike McFarland, Trina Nishimura