List of Log Horizon episodes (season 1)

Log Horizon (season 1)
Cover of the first Blu-ray volume released by Kadokawa Shoten in Japan on January 29, 2014 featuring Shiroe.
Country of origin	Japan
No. of episodes	25
Release
Original network	NHK Educational TV
Original release	October 5, 2013 – March 22, 2014
Season chronology
Next → Log Horizon (season 2)

Log Horizon is a 2013 science fiction, action Japanese anime series based on the novels written by Mamare Touno. By its eleventh expansion pack, the massively multiplayer online role-playing game (MMORPG), Elder Tales has become a global success, having a following of millions of players. However, during the release of its twelfth expansion pack—Novasphere Pioneers, thirty thousand Japanese gamers who are all logged on at the time of the update, suddenly find themselves transported inside the game world and donning their in-game avatars. In the midst of the event, a socially awkward gamer called Shiroe along with his friends Naotsugu and Akatsuki team up so that they may face this world which has now become their reality along with the challenges which lie ahead.

The anime was produced by Satelight Studios and directed by Shinji Ishihira, along with series composition by Toshizo Nemoto, character designs by Mariko Ito based on the original designs by Kazuhiro Hara, art direction by Yuki Nomura, sound direction by Shoji Hata and soundtrack music by Yasuharu Takanashi. The series premiered on October 5, 2013 on NHK Educational TV and ran for 25 episodes until March 22, 2014. The series was picked up by Crunchyroll for online simulcast streaming in North America and other select parts of the world. The Anime Network later obtained the series for streaming.Kadokawa Shoten released the series in Japan on eight Blu-ray and DVD volumes beginning on January 29, 2014. The anime was licensed for a home video release in 2014 by Sentai Filmworks in North America.Madman Entertainment later licensed the series for a 2015 release in Australia and New Zealand. This was followed by a license by MVM Entertainment for release in the United Kingdom.