Ep. 25: Kazuto spares Sugou and reunites with Asuna before celebrating with friends and releasing trapped players.
Aired on December 23, 2012

Kazuto confronts an injured Sugou in a hospital parking lot, disarming him and choosing to spare his life. He then shares a tearful reunion with Asuna. On May 16, 2025, the couple visits a special school for former SAO victims. During lunch, Kazuto explains that police captured Sugou and his employee exposed his crimes. The 300 players trapped by Sugou are released, though his experiments cause public shock. Later, Kazuto, Asuna, and Suguha join Andrew's bar with Liz, Silica, Yolko, Kains, Sasha, Yulier, Thinker, Klein, and his guild. They celebrate clearing SAO and ALO. Finally, The World Seed is uploaded to the Internet, revitalizing the virtual reality gaming genre.
Episodes
- Ep. 21 · Kirito and Leafa reach Alfheim capital before server shutdown forces logout
- Ep. 22 · Kirito and Leafa discover their true identities and log out after a perilous quest.
- Ep. 23 · Kazuto and Leafa resolve their family estrangement through a symbolic duel in ALO
- Ep. 24 · Kirito and Yui confront Oberon at the World Tree summit to rescue Asuna from his control.
- Ep. 25 · Kazuto spares Sugou and reunites with Asuna before celebrating with friends and releasing trapped players.