July 9, 2019
Tensei Shitara Slime Datta Ken OVA (That Time I Got Reincarnated as a Slime OVA)
Mar 26 at 3:00pm UTC
Unaired episodes bundled with the 12th, 13th, 14th, 15th and 16th manga volumes of the manga adaptation of the novels.
The first episode will be about the Sumo competition that held at Tempest for the first time, suggested by Rimuru.