: The subtitle "Divide By Zero" alludes to the mathematical impossibility of his situation. He is trapped in a world line where the "Annihilator" (the convergence of the Beta attractor field) makes saving Kurisu appear impossible. The Final Resolve: Amadeus and the Future
It sounds like you're referring to Steins;Gate: Kyoukaimenjou no Missing Link (also known as Steins;Gate: Kyoukaimenjou no Missing Link - Divide By Zero ), the alternate 23rd episode of the original Steins;Gate anime that leads into Steins;Gate 0 . Steins-Gate- Kyoukaimenjou no Missing Link - Di...
(also known as Episode 23β ) is a special 24-minute TV episode that serves as an alternate version of the original anime's 23rd episode. It is the essential prologue that bridges the gap between the original Steins;Gate and its mid-quel/sequel, Steins;Gate 0 . Key Differences & Plot : The subtitle "Divide By Zero" alludes to
Okabe stared at the phone in his hand. Not the microwave. Not the Future Gadget #8. Just a normal smartphone. On its screen: a single unsent message. (also known as Episode 23β ) is a
(Episode 23β) serves as the structural foundation that allows the "True Ending" of the original series to exist. While ostensibly an "alternate" version of the original episode 23, it is more accurately described as a prequel to the conclusion
. Meeting a digital recreation of the woman he killed forces him back into the world of science and time travel. This meeting is the "missing link"—the catalyst that will eventually transform this broken man into the architect of the Steins Gate world line.
After accidentally killing Kurisu in his first attempt to save her, Okabe returns to the present utterly broken.