That Time I Got Reincarnated as a Slime

Season 1, Episode 12

Episode Title: The Gears Spin Out of Control

Air Date: 2018-12-18

Overview:

The Orc army, led by the Orc Lord, continues its conquest throughout the Great Forest of Jura. The crisis has spurred Treyni of the Dryads, the caretakers of the forest, to take action. She has had her eye on Rimuru after noticing his rise to prominence in the forest, and she wants Rimuru to defeat the Orc Lord.