Missing Link of the Annihilator -Absolute Zero-Though WWIII is on the horizon, Okabe attempts to live a normal college life. However, a newly developed AI is about to shake up his world.
Epigraph of the Closed Curve -Closed Epigraph-
E2
Epigraph of the Closed Curve -Closed Epigraph-After a chance encounter with Maho where they discover knowing someone in common, Okabe has his first face-to-face with her special AI, Amadeus.
Protocol of the Two-sided Gospel -X-day Protocol-
E3
Protocol of the Two-sided Gospel -X-day Protocol-Mayuri tries to bring everyone together for a Christmas party at the lab, but Okabe has a rude awakening.
Solitude of the Mournful Flow -A Stray Sheep-
E4
Solitude of the Mournful Flow -A Stray Sheep-While Okabe is left with more questions than answers, Suzuha recruits help in her search for an unexpectedly close person.
Solitude of the Astigmatism -Entangled Sheep-
E5
Solitude of the Astigmatism -Entangled Sheep-Their search continues as New Years swiftly approaches, though Ruka's dilemma with a certain guest might make matters worse.
Eclipse of Orbital Ordering -The Orbital Eclipse-
E6
Eclipse of Orbital Ordering -The Orbital Eclipse-Now that the girl's identity is known, Okabe and friends kick off the New Years with a shrine visit and party to never forget.
Eclipse of Vibronic Transition -Vibronic Transition-
E7
Eclipse of Vibronic Transition -Vibronic Transition-As Okabe seeks answers regarding the attack, trouble with Amadeus brings a surprising turn of events.
Dual of Antinomy -Antinomic Dual-
E8
Dual of Antinomy -Antinomic Dual-Okabe is given a bittersweet reminder that in changing world lines, sacrifices must be made.
Pandora of Eternal Return -Pandora's Box-
E9
Pandora of Eternal Return -Pandora's Box-It will take time for Okabe to identify the attackers and their motivation, but the impending crisis of WWIII forces Suzuha to resort to desperate measures.
Pandora of Provable Existence -Forbidden Cubicle-
E10
Pandora of Provable Existence -Forbidden Cubicle-After reinforcements are called to clean Maho's disastrous room, her and Okabe's Akihabara date ends with a surprising confession from Maho.
Pandora of Forgotten Existence -Sealed Reliquary-
E11
Pandora of Forgotten Existence -Sealed Reliquary-Okabe must convince Maho to give up her prized possession, but an unexpected danger has them negotiating for their own lives.
Mother Goose of Mutual Recursion -Recursive Mother Goose-
E12
Mother Goose of Mutual Recursion -Recursive Mother Goose-Kagari attempts to track down the origins of a song in hopes that she discovers her lost memories.
Mother Goose of Diffractive Recitativo -Diffraction Mother Goose-
E13
Mother Goose of Diffractive Recitativo -Diffraction Mother Goose-After finally obtaining a hint into Kagari's lost past, Okabe ends up discovering much more than he bargained for.
Recognition of the Elastic Limit -Presage or Recognize-
E14
Recognition of the Elastic Limit -Presage or Recognize-Shocked by a surprise attack, Suzuha and Daru look to America as their last hope to save the world.
Recognition of the Asymptotic Line -Recognize Asymptote-
E15
Recognition of the Asymptotic Line -Recognize Asymptote-Fed up with her Dad's passiveness, Suzuha must make a man out of Daru before Yuki ends up with somebody else.
Altair of the Point at Infinity -Vega and Altair-
E16
Altair of the Point at Infinity -Vega and Altair-Okabe's stubbornness causes fists to fly and tears to be shed as the deadline for using the time machine swiftly approaches.
Altair of the Hyperbolic Plane -Beltrami Pseudosphere-
E17
Altair of the Hyperbolic Plane -Beltrami Pseudosphere-As Suzuha sets off to finish her mission, Mayuri finds determination of her own. But then, disaster strikes.
Altair of Translational Symmetry -Translational Symmetry-
E18
Altair of Translational Symmetry -Translational Symmetry-All hell breaks loose over the time machine when a villain from the future haunts the past and unveils their devious plan.
Altair of the Cyclic Coordinate -Time-leap Machine-
E19
Altair of the Cyclic Coordinate -Time-leap Machine-War and disaster has come, and the only way Okabe can stop it is to rely on his friends, determination, and hope.
Rinascimento of the Unwavering Promise -Promised Rinascimento-
E20
Rinascimento of the Unwavering Promise -Promised Rinascimento-Okabe awakes in a cold, lifeless world where he finds his friends struggling to survive amidst all the chaos.
Rinascimento of Image Formation -Return of Phoenix-
E21
Rinascimento of Image Formation -Return of Phoenix-Setting forth on a long and arduous journey, Okabe seeks to rekindle his hope and revive what all had thought gone.
Rinascimento of Projection -Project Amadeus-
E22
Rinascimento of Projection -Project Amadeus-In their struggle to save the time machine, the lab members brainstorm to circumvent convergence but realize it cannot be done without sacrifice.
Arclight of the Point at Infinity -Arc-light of the Sky-
E23
Arclight of the Point at Infinity -Arc-light of the Sky-Okabe and his friends must battle against fate in the past, present, and future to find Steins Gate and reunite the lab members once and for all.
Cast of Season 1
Mamoru MiyanoRintaro Okabe (voice)
Sayuri YahagiMaho Hiyaio (voice)
Asami ImaiKurisu Makise (voice)
Kana HanazawaMayuri Shiina (voice)
Tomokazu SekiItaru Hashida (voice)
Yukari TamuraSuzuha Amane / Yuki Amane (voice)
Haruko MomoiAkiha Rumiho, Faris Nyan-Nyan (voice)
Yu KobayashiLuka Urushibara (voice)
Megumi HanKagari Shiina (voice)
Yoji UedaAlexis Leskinen (voice)
Hina KinoKaede Kurushima (voice)
Mariko HondaKatsumi Nakase (voice)
Masaki TerasomaYugo Tennouji (voice)
Saori GotoMoeka Kiryuu (voice)
Ayano YamamotoNae Tennouji (voice)
Kenichi KawamuraDirector
Jukki HanadaWriter
Chiyomaru ShikuraWriter
Shuichi SuzukiProducer
Makoto ChibaProducer
Takayuki MatsunagaProducer
Kozue KananiwaProducer
Mitsuhiro OgataProducer
Satoru ShimosatoProducer
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