Season 1
24 episodes · Apr 6, 2011
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S1E1Turning Point
Apr 6, 201124mA 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.
S1E2Time Travel Paranoia
Apr 13, 201124mOkabe is surprised to see Makise up and about after she was killed.
S1E3Parallel World Paranoia
Apr 20, 201124mOkabe suspects his microwave oven is behind the recent unusual events.
S1E4Interpreter Rendezvous
Apr 27, 201124mOkabe needs to find a very old computer to hack a very new tech.
S1E6Butterfly Effect's Divergence
May 11, 201124mOkabe's small scale experiment is partially successful.
S1E7Divergence Singularity
May 18, 201124mOkabe 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.
S1E8Chaos Theory Homeostasis I
May 25, 201124mThe 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.
S1E9Chaos Theory Homeostasis II
Jun 1, 201124mOkabe 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.
S1E10Chaos Theory Homeostasis III
Jun 8, 201124mThe 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.
S1E11Dogma in Event Horizon
Jun 15, 201124mAs 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!
S1E12Dogma in Ergosphere
Jun 22, 201124mTension 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.
S1E13Metaphysics Necrosis
Jun 29, 201124mOkabe, desperate to prevent the tragedy he's already seen happen, summons the courage for a daring Time Leap. Can he save the life of his oldest and dearest companion?
S1E14Physically Necrosis
Jul 6, 201124mDespite 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
S1E15Missing Link Necrosis
Jul 13, 201124mSuzuha 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.
S1E16Sacrificial Necrosis
Jul 20, 201124mThe truth about Suzuha's father is finally revealed. Okabe realizes the devastating consequences of stopping her from leaving the night of the party.
S1E17Made in Complex
Jul 27, 201124mAfter 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.
S1E18Fractal Androgynous
Aug 3, 201124mIn 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.
S1E19Endless Apoptosis
Aug 10, 201124mOkabe 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.
S1E20Finalize Apoptosis
Aug 17, 201124mWith 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.
S1E21Paradox Meltdown
Aug 24, 201124mWith his new discovery in mind, Okabe continues his attempts to protect Mayuri while also trying to avoid Kurisu's potential impending fate.
S1E22Being Meltdown
Aug 31, 201124mIn order to continue his work against SERN, Okabe must finally choose between saving Kurisu or Mayuri.
S1E23Open the Steins Gate
Sep 7, 201124mTasked with preventing an impending World War III by an alternate Suzuha, Okabe finds himself playing an active part in Kurisu's death.
S1E24Achievement Point
Sep 14, 201124mOkabe 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.