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A group of friends have customized their microwave so that it can send text messages to the past. As they perform different experiments, an organization named SERN who has been doing their own research on time travel tracks them down and now the characters have to find a way to avoid being captured by them.
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Episodes
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- E1 Turning PointNext upApr 6, 2011 · 24 min · ★ 6.9
Synopsis

A self-described mad scientist attends a lecture on time travel, stumbles upon the dead body of a familiarly unfamiliar woman, and discovers that his text messages are no longer bound by the rules of space and time.
Guest stars: Masaki Terasoma (Yuugo Tennouji (voice)), Naoko Sakakibara (Newscaster (voice)), Mitsuru Ogata (Dr. Nakabachi (voice)), Takayuki Saito (Guest A (voice)), Takuya Sato (Guest B (voice))
- E2 Time Travel ParanoiaApr 13, 2011 · 24 min · ★ 6.8
Synopsis

Okabe is surprised to see Makise up and about after she was killed.
Guest stars: Saori Goto (Moeka Kiryuu (voice)), Masaki Terasoma (Yuugo Tennouji (voice)), Hiroshi Tsuchida (John Titor (voice)), Kouji Takeda (Clerk (voice)), Ikumi Hayama (Maid (voice))
- E3 Parallel World ParanoiaApr 20, 2011 · 24 min · ★ 6.8
Synopsis

Okabe suspects his microwave oven is behind the recent unusual events.
Guest stars: Hiroshi Tsuchida (John Titor (voice)), Hiroko Ushida (Clerk (voice))
- E4 Interpreter RendezvousApr 27, 2011 · 24 min · ★ 6.7
Synopsis

Okabe needs to find a very old computer to hack a very new tech.
Guest stars: Masaki Terasoma (Yuugo Tennouji (voice)), Hiroshi Tsuchida (John Titor (voice)), Hiroko Ushida (Clerk (voice)), Mitsuaki Hoshino (Eisuke Urushibara (voice)), Takayuki Saito (Man (voice)), Daiki Soeda (Man (voice))
- E5 Starmine RendezvousMay 4, 2011 · 24 min · ★ 7.0
Synopsis

A successful hack reveals SERN's big secret.
Guest stars: Masaki Terasoma (Yuugo Tennouji (voice))
- E6 Butterfly Effect's DivergenceMay 11, 2011 · 24 min · ★ 7.0
Synopsis

Okabe's small scale experiment is partially successful.
Guest stars: Saori Goto (Moeka Kiryuu (voice)), Masaki Terasoma (Yuugo Tennouji (voice)), Hiroko Ushida (Clerk (voice)), Takuya Sato (Reporter (voice))
- E7 Divergence SingularityMay 18, 2011 · 24 min · ★ 7.5
Synopsis

Okabe takes his experimentation to the next level by texting the winning lotto numbers back in time, but he fails to consider how his actions might alter the present - or the future.
Guest stars: Saori Goto (Moeka Kiryuu (voice)), Masaki Terasoma (Yuugo Tennouji (voice)), Hiroshi Tsuchida (John Titor (voice)), Ayano Yamamoto (Nae Tennouji (voice))
- E8 Chaos Theory Homeostasis IMay 25, 2011 · 24 min · ★ 7.1
Synopsis

The latest experiment for Okabe and his lab mates leads to the disappearance of one of their own. Next, they'll attempt to use their time travel technology to make a young boy's dream a reality.
Guest stars: Saori Goto (Moeka Kiryuu (voice)), Masaki Terasoma (Yuugo Tennouji (voice)), Ayano Yamamoto (Nae Tennouji (voice))
- E9 Chaos Theory Homeostasis IIJun 1, 2011 · 24 min · ★ 7.4
Synopsis

Okabe grows concerned over the drastic changes his experimentation is causing, and the IBN-5100 disappears from the lab. The only hope for finding a replacement rests upon the delicate shoulders of Feyris the cat girl.
Guest stars: Saori Goto (Moeka Kiryuu (voice)), Taira Kikumoto (Yukitaka Akiha (voice)), Shinya Fukumatsu (Butler (voice)), Iori Nomizu (Maid (voice))
- E10 Chaos Theory Homeostasis IIIJun 8, 2011 · 24 min · ★ 7.2
Synopsis

The part-time warrior from downstairs tells Okabe about the search for her missing father. Meanwhile, the aspiring mad scientist is troubled by a mysterious text message.
- E11 Dogma in Event HorizonJun 15, 2011 · 24 min · ★ 7.3
Synopsis

As the lab members prepare to transport human memories by way of a Time Leap, Okabe receives some highly disturbing news: Makise may be a SERN spy!
Guest stars: Saori Goto (Moeka Kiryuu (voice)), Masaki Terasoma (Yuugo Tennouji (voice)), Hiroko Ushida (Clerk (voice)), Ayano Yamamoto (Nae Tennouji (voice))
- E12 Dogma in ErgosphereJun 22, 2011 · 24 min · ★ 8.0
Synopsis

Tension builds at the Lab when Makise and Suzuha both show up for the party, but that's just the beginning. As the night draws to a close, armed thugs - led by a familiar face - come looking for the time machine.
Guest stars: Saori Goto (Moeka Kiryuu (voice)), Katsunori Kobayashi (Announcer (voice)), Masaaki Itatori (Rounder (voice))
- E13 Metaphysics NecrosisJun 29, 2011 · 24 min · ★ 8.0
Synopsis

Okabe, desperate to prevent the tragedy he's already seen happen, summons the courage for a daring and risky Time Leap. Can he save the life of his oldest and dearest companion?
Guest stars: Saori Goto (Moeka Kiryuu (voice)), Ayano Yamamoto (Nae Tennouji (voice)), Masaaki Itatori (Rounder (voice)), Toa Yukinari (Mother (voice)), Mai Hirano (Boy (voice)), Takahito Soda (Rounder (voice)), Takayuki Saito (Rounder (voice))
- E14 Physically NecrosisJul 6, 2011 · 24 min · ★ 8.0
Synopsis

Despite his many attempts, Okabe is unable to prevent the death of Mayuri, so he turns to Makise for help solving the riddle of time travel. Later, Suzuha's true identity is revealed
Guest stars: Saori Goto (Moeka Kiryuu (voice)), Hiroko Ushida (Clerk (voice)), Katsunori Kobayashi (Announcer (voice)), Toa Yukinari (Mother (voice)), Mai Hirano (Boy (voice)), Takahito Soda (Rounder (voice)), Takayuki Saito (Rounder (voice))
- E15 Missing Link NecrosisJul 13, 2011 · 24 min · ★ 7.5
Synopsis

Suzuha reveals the orgins of SERN's future totalitarianism. While she continues her work to destroy the organization, Okabe and Mayuri continue the search for Suzuha's father.
Guest stars: Manabu Sakamaki (Street Vendor (voice)), Naoki Koshida (Police Officer (voice))
- E16 Sacrificial NecrosisJul 20, 2011 · 24 min · ★ 8.3
Synopsis

The truth about Suzuha's father is finally revealed. Okabe realizes the devastating consequences of stopping her from leaving the night of the party.
Guest stars: Masaki Terasoma (Yuugo Tennouji (voice)), Manabu Sakamaki (Street Vendor (voice)), Takuya Sato (Announcer (voice)), Yukiko Mizuno (Hall Announcer (voice))
- E17 Made in ComplexJul 27, 2011 · 24 min · ★ 7.6
Synopsis

After the change in divergence fails to have a lasting effect, Okabe and Kurisu set out to further manipulate time in the hopes of gaining an IBN 5100.
Guest stars: Taira Kikumoto (Yukitaka Akiha (voice)), Minoru Shiraishi (4℃ (voice)), Kubota Kensuke (Viral Attacker (voice)), Kouji Takeda (Viral Attacker (voice)), Yuki Ono (Viral Attacker (voice)), Mariko Honda (Maid (voice)), Yukiko Aiba (Maid (voice))
- E18 Fractal AndrogynousAug 3, 2011 · 24 min · ★ 7.2
Synopsis

In a further attempt to rescue Mayuri from her fate, Okabe reveals Ruka's past to her. Ruka must make a difficult decision that might change her entire life.
Guest stars: Hiroko Ushida (Clerk (voice)), Mariko Honda (Maid (voice))
- E19 Endless ApoptosisAug 10, 2011 · 24 min · ★ 7.7
Synopsis

Okabe must make a time leap in order to save Moeka from herself. He realizes that all is not what it seems as Moeka's shady behavior leads him closer to the IBN 5100.
Guest stars: Saori Goto (Moeka Kiryuu (voice)), Ayano Yamamoto (Nae Tennouji (voice)), Shohei Yamaguchi (Police Officer (voice)), Yohei Ohbayashi (Office Worker (voice)), Izumi Sawada (Tenant (voice))
- E20 Finalize ApoptosisAug 17, 2011 · 24 min · ★ 8.0
Synopsis

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.
Guest stars: Saori Goto (Moeka Kiryuu (voice)), Masaki Terasoma (Yuugo Tennouji (voice)), Takayuki Saito (Man (voice)), Ayano Yamamoto (Nae Tennouji (voice)), Takahito Soda (Station Announcer (voice))
- E21 Paradox MeltdownAug 24, 2011 · 24 min · ★ 7.6
Synopsis

With his new discovery in mind, Okabe continues his attempts to protect Mayuri while also trying to avoid Kurisu's potential impending fate.
- E22 Being MeltdownAug 31, 2011 · 24 min · ★ 8.3
Synopsis

In order to continue his work against SERN, Okabe must finally choose between saving Kurisu or Mayuri.
- E23 Open the Steins GateSep 7, 2011 · 24 min · ★ 8.0
Synopsis

Tasked with preventing an impending World War III by an alternate Suzuha, Okabe finds himself playing an active part in Kurisu's death.
Guest stars: Naoko Sakakibara (Newscaster (voice)), Mitsuru Ogata (Dr. Nakabachi (voice)), Katsunori Kobayashi (Announcer (voice))
- E24 Achievement PointSep 14, 2011 · 24 min · ★ 8.1
Synopsis

Okabe has one final chance to travel back in time, set everything right, and save the girl he never even got to love. His mission is vital, but it may mean the end for the mad scientist.
Guest stars: Saori Goto (Moeka Kiryuu (voice)), Masaki Terasoma (Yuugo Tennouji (voice)), Naoko Sakakibara (Newscaster (voice)), Mitsuru Ogata (Dr. Nakabachi (voice)), Ayano Yamamoto (Nae Tennouji (voice)), Katsunori Kobayashi (Announcer (voice))
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Mamoru Miyano
Asami Imai
Kana Hanazawa
Tomokazu Seki
Yukari Tamura
Haruko Momoi
Yu Kobayashi

















