Yonimo Kimyou na Monogatari Tokubetsuhen / Season 1 Season guide Yonimo Kimyou na Monogatari Tokubetsuhen: Season 1 5 episodes Premiered Oct 4, 1990 Updated Jul 19, 2026 Spoiler-safe Advertisement Episodes S1·E1 Episode 1 Oct 4, 1990 · 14 min S1·E2 Episode 2 Oct 4, 1990 · 16 min S1·E3 Episode 3 Oct 4, 1990 · 18 min S1·E4 Episode 4 Oct 4, 1990 · 18 min S1·E5 Episode 5 Oct 4, 1990 · 22 min