Alternative Titles Synonyms: Slime 300 Japanese: スライム倒して300年、知らないうちにレベルMAXになってました Information Type: TV Episodes: 12 Status: Finished Airing Aired: Apr 10, 2021 to Jun 26, 2021 Premiered: Spring 2021 Broadcast: Saturdays at 21:00 (JST) Producers: Square Enix, Movic, AT-X, Nippon Columbia, KlockWorx, Studio Mausu, Bushiroad, Hakuhodo DY Music & Pictures, Medicos Entertainment, BS11, DMM.com, SB Creative Licensors: None found, add some Studios: Revoroot Source: Light novel Duration: 23 min. per ep. Rating: PG-13 - Teens 13 or older Statistics Score: 6.921 (scored by 185,618 users) 1 indicates a . Ranked: #51822 2 based on the top anime page. Please note that 'Not yet aired' and 'R18+' titles are excluded. Popularity: #610 Members: 382,811 Favorites: 2,119 Available AtResources | Music VideosOP 1 (Anime ver.) play "Gudafuwa Every Day (ぐだふわエブリデー)" by Aoi Yuuki ED 1 (Artist ver.) play "Viewtiful Days!" by Azumi Waki |