Extra: Hey! Butts!
Show: That Time I Got Reincarnated as a Slime --> Season: 0 - Specials
AirDate: 12/4/2019
Runtime: 23
Voting: 7.2 (6)

Overview: Being physically incapable of sleeping, Rimuru takes an experimental sleeping pill Vesta invented, and dreams about his attempt to make Sumo Wrestling Tempest's national sport.
Miho Okasaki
Rimuru / Slime (voice)
Megumi Toyoguchi
Daikenja (voice)
Makoto Furukawa
Benimaru / Ogre (voice)
Sayaka Senbongi
Shuna / Ogre (voice)
Mao Ichimichi
Shion / Ogre (voice)
Takuya Eguchi
Souei / Ogre (voice)
Hochu Otsuka
Hakurou / Ogre (voice)
Kanehira Yamamoto
Riguldo / Village Mayor (voice)
Asuna Tomari
Gobuta (voice)
Chikahiro Kobayashi
Ranga (voice)
Jun Fukushima
Gabiru (voice)
Rina Hidaka
Milim (voice)
Akinori Egoshi
Gabiru's Subordinate A (voice)
Hiromichi Tezuka
Gabiru's Subordinate B (voice)
Yoshihito Sasaki
Gabiru's Subordinate C (voice)
Takuma Terashima
Satoru Mikami (voice)
Kouichi Souma
Galm (voice)
Rumi Okubo
Souka (voice)