The story of the day when the tail was bitten / Season 1 Season guide The story of the day when the tail was bitten: Season 1 13 episodes Premiered Sep 17, 2020 Updated Jul 19, 2026 Spoiler-safe Advertisement Episodes S1·E1 Episode 1 Sep 17, 2020 S1·E2 Episode 2 Sep 24, 2020 S1·E3 Episode 3 Oct 8, 2020 S1·E4 Episode 4 Oct 15, 2020 S1·E5 Episode 5 Oct 22, 2020 S1·E6 Episode 6 Oct 29, 2020 S1·E7 Episode 7 Nov 5, 2020 S1·E8 Episode 8 Nov 12, 2020 S1·E9 Episode 9 Nov 19, 2020 S1·E10 Episode 10 Nov 26, 2020 S1·E138 Episode 138 Aug 15, 2024 · 83 min S1·E139 Episode 139 Aug 22, 2024 · 79 min S1·E140 Episode 140 Aug 29, 2024