Mask Singer / Season 1 Season guide Mask Singer: Season 1 12 episodes Premiered Nov 8, 2019 Updated Jul 26, 2026 Spoiler-safe Advertisement Episodes S1·E1 Episode 1 Nov 8, 2019 · 100 min S1·E2 Episode 2 Nov 8, 2019 S1·E3 Episode 3 Nov 15, 2019 · 100 min S1·E4 Episode 4 Nov 15, 2019 S1·E5 Episode 5 Nov 22, 2019 · 100 min S1·E6 Episode 6 Nov 22, 2019 S1·E7 Episode 7 Nov 29, 2019 · 100 min S1·E8 Episode 8 Nov 29, 2019 S1·E9 Episode 9 Dec 6, 2019 · 100 min S1·E10 Episode 10 Dec 6, 2019 S1·E11 Episode 11 Dec 13, 2019 · 100 min S1·E12 Episode 12 Dec 13, 2019