Episode 13: Metaphysics Necrosis

Metaphysics Necrosis  ( 形而上のネクローシス ,  Keijijō no Nekurōshisu ) is the thirteenth episode of the anime adaptation of the visual novel Steins;Gate.

Okabe, 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?