Bundled with the 12th and 13th volumes of the manga. The first OVA will be about the Sumo competition that is held at Tempest for the first time, suggested by Rimuru.
- Other Title: Tensei shitara Slime Datta Ken OVA, TenSura OVA, That Time I Got Reincarnated as a Slime OVA, Tensei shitara Slime Datta Ken Gaiden, That Time I Got Reincarnated as a Slime Extra, 転生したらスライムだった件 OVA, That Time I Got Reincarnated as a Slime OAD, That Time I Got Reincarnated As A Slim OAD, Moi, Quand Je Me Réincarne en Slime OAD
- Status: Completed
- Sub/Dub: Anime Dub
- Anime Type: OVA
- Genres: Fantasy, Shounen, Action, Adventure, Comedy, Isekai, Mythology, Reincarnation, Demons, Magic
- Characters: Tempest, Rimuru
- Score: 7.49
- Rank: 1764
- Popularity: 1071
![[Action] Zone of the Enders: Dolores, I (TV) (Sub) Raw Eng](https://data.animebuu.com/data/84/8472/mal/1_poster.jpg "[Action] Zone of the Enders: Dolores, I (TV) (Sub) Raw Eng")
