Neon Genesis Evangelion - Season 1 Episode 23 Rei III Mankind's greatest fear is mankind itself.
Overview: Asuka sinks into deep depression after Arael's mental probing, and is unable to pilot when the new Angel Armisael arrives. Armisael begins physically fusing with EVA-00 and threatens to do the same to EVA-01, prompting Rei to sacrifice herself to save Shinji, only to appear alive soon afterwards.