
8.1
Eccentric Rintaro falls into a depression after failing to save Kurisu, but then a neuroscientist offers him the chance to interact with an AI copy.
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1Episode 1Missing Link of the Annihilator -Absolute Zero-
24 min
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.
2Episode 2Epigraph of the Closed Curve -Closed Epigraph-
24 min
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.
3Episode 3Protocol of the Two-sided Gospel -X-day Protocol-
24 min
Mayuri tries to bring everyone together for a Christmas party at the lab, but Okabe has a rude awakening.
4Episode 4Solitude of the Mournful Flow -A Stray Sheep-
24 min
While Okabe is left with more questions than answers, Suzuha recruits help in her search for an unexpectedly close person.
5Episode 5Solitude of the Astigmatism -Entangled Sheep-
24 min
Their search continues as New Years swiftly approaches, though Ruka's dilemma with a certain guest might make matters worse.
6Episode 6Eclipse of Orbital Ordering -The Orbital Eclipse-
24 min
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.
7Episode 7Eclipse of Vibronic Transition -Vibronic Transition-
24 min
As Okabe seeks answers regarding the attack, trouble with Amadeus brings a surprising turn of events.
8Episode 8Dual of Antinomy -Antinomic Dual-
24 min
Okabe is given a bittersweet reminder that in changing world lines, sacrifices must be made.
9Episode 9Pandora of Eternal Return -Pandora's Box-
24 min
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.
10Episode 10Pandora of Provable Existence -Forbidden Cubicle-
24 min
After reinforcements are called to clean Maho's disastrous room, her and Okabe's Akihabara date ends with a surprising confession from Maho.
11Episode 11Pandora of Forgotten Existence -Sealed Reliquary-
24 min
Okabe must convince Maho to give up her prized possession, but an unexpected danger has them negotiating for their own lives.
12Episode 12Mother Goose of Mutual Recursion -Recursive Mother Goose-
24 min
Kagari attempts to track down the origins of a song in hopes that she discovers her lost memories.
13Episode 13Mother Goose of Diffractive Recitativo -Diffraction Mother Goose-
24 min
After finally obtaining a hint into Kagari's lost past, Okabe ends up discovering much more than he bargained for.
14Episode 14Recognition of the Elastic Limit -Presage or Recognize-
24 min
Shocked by a surprise attack, Suzuha and Daru look to America as their last hope to save the world.
15Episode 15Recognition of the Asymptotic Line -Recognize Asymptote-
24 min
Fed up with her Dad's passiveness, Suzuha must make a man out of Daru before Yuki ends up with somebody else.
16Episode 16Altair of the Point at Infinity -Vega and Altair-
24 min
Okabe's stubbornness causes fists to fly and tears to be shed as the deadline for using the time machine swiftly approaches.
17Episode 17Altair of the Hyperbolic Plane -Beltrami Pseudosphere-
24 min
As Suzuha sets off to finish her mission, Mayuri finds determination of her own. But then, disaster strikes.
18Episode 18Altair of Translational Symmetry -Translational Symmetry-
24 min
All hell breaks loose over the time machine when a villain from the future haunts the past and unveils their devious plan.
19Episode 19Altair of the Cyclic Coordinate -Time-leap Machine-
24 min
War and disaster has come, and the only way Okabe can stop it is to rely on his friends, determination, and hope.
20Episode 20Rinascimento of the Unwavering Promise -Promised Rinascimento-
24 min
Okabe awakes in a cold, lifeless world where he finds his friends struggling to survive amidst all the chaos.
21Episode 21Rinascimento of Image Formation -Return of Phoenix-
24 min
Setting forth on a long and arduous journey, Okabe seeks to rekindle his hope and revive what all had thought gone.
22Episode 22Rinascimento of Projection -Project Amadeus-
24 min
In their struggle to save the time machine, the lab members brainstorm to circumvent convergence but realize it cannot be done without sacrifice.
23Episode 23Arclight of the Point at Infinity -Arc-light of the Sky-
24 min
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.

Mamoru Miyano
Rintaro Okabe (voice)

Sayuri Yahagi
Maho Hiyaio (voice)

Asami Imai
Kurisu Makise (voice)

Kana Hanazawa
Mayuri Shiina (voice)

Tomokazu Seki
Itaru Hashida (voice)

Yukari Tamura
Suzuha Amane / Yuki Amane (voice)

Haruko Momoi
Akiha Rumiho, Faris Nyan-Nyan (voice)

Yu Kobayashi
Luka Urushibara (voice)

Megumi Han
Kagari Shiina (voice)

Yoji Ueda
Alexis Leskinen (voice)

Hina Kino
Kaede Kurushima (voice)

Mariko Honda
Katsumi Nakase (voice)
6.8