That Time I Got Reincarnated as a Slime” (Season 1) is a popular isekai anime series that aired from October 2018 to March 2019. Based on the light novel series written by Fuse and illustrated by Mitz Vah, the anime follows the adventures of Satoru Mikami, an ordinary salaryman who gets reincarnated as a powerful slime in a fantasy world. The series is praised for its unique premise, engaging characters, and well-crafted world-building, making it a standout in the isekai genre.