The episode bundled with the 13th volume is about the Sumo competition that held at Tempest for the first time, suggested by Rimuru.
The three-part OVA bundled with the 14th, 15th, and 16th manga volumes is an original trilogy written by Fuse.
Rimuru has been teaching Shizue's students at Ingracia Kingdom's Freedom Academy. The time has come for the school's annual outdoor training event, where the students will test their combat skills in the field. Rimuru is determined to win the competition and take home the prize money, but he is challenged by Jeff, an honorary teacher who sees Rimuru as a rival. The competition is underway when suddenly an unexpected enemy appears!+ More
More Seasons
That Time I Got Reincarnated as a Slime
That Time I Got Reincarnated as a Slime OAD
That Time I Got Reincarnated as a Slime: Tales - Veldora's Journal
That Time I Got Reincarnated as a Slime Season 2
That Time I Got Reincarnated as a Slime 2nd Season Part 2
That Time I Got Reincarnated as a Slime Specia: Digression: Hinata Sakaguchi
The Slime Diaries: That Time I Got Reincarnated as a Slime
That Time I Got Reincarnated as a Slime: The Movie - Scarlet Bond
Characters & Voice Actors

Tempest, Rimuru
Main
Okasaki, Miho
Japanese
Aubert, Chloe
Supporting
Benimaru
Supporting
Bester
Supporting
Daikenja
Supporting
Gabiru
SupportingRecommended for you
Magical Project S
TV
23m
Famous Dog Lassie
TV
25m
Mini Yuri
ONA
5m
Cooking with Valkyries II
ONA
7m
Go!! Karate Club
OVA
50m
The Wonderful Wizard of Oz
TV
25m
R-15: R15 Shounen Hyouryuuki
OVA
29m
Love Tyrant
TV
23m
Tokyo Tribe 2
TV
21m
Sukisho
TV
24m
Yama no Susume: Kabe tte Kowakunai no?
Special
5m
Full-Time Magister 2
ONA
18m
Neo Human Casshan
TV
25m
Teekyu 5
TV
2m
Matoi the Sacred Slayer
TV
24m
Tokyo Babylon
OVA
50m