Episode 23: Open the Steins Gate

Open the Steins Gate (境界面上のシュタインズゲート, Kyōkaimenjō no Shutainzu Gēto) is the twenty third episode of the anime adaptation of the visual novel Steins;Gate.

In a completely unexpected turn of events, a face from the past returns to the present with a working time machine and a mission for Okabe -- a mission that could prevent World War III!