NHK has announced that Log Horizon: Fall of the Round Table, the third season of the Log Horizon anime, will premiere on Japanese television on January 13, 2020. The series was delayed from October 2020 to January 2021 due to COVID-19.
The new season of Log Horizon shares the same name as the 12th novel volume. The cast and staff will return from the previous seasons of the anime. The new season will have 12 episodes.
Source: ANN