S01E01 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.
All hell breaks loose over the time machine when a villain from the future haunts the past and unveils their devious plan.
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.