Log Horizon Season 1 Episode 16 Return of the Goblin King ( Air Date 2014-01-18 ) Genre Animation, Action & Adventure, Sci-Fi & Fantasy, Comedy category. Overview "Just as the Sahaugin attack begins on the Zantleaf peninsula, the goblins are seen advancing further inland. Will they attack Laynessia's homeland, Maihama, or Akihabari?".