Mystery in the Box / Season 1 Season guide Mystery in the Box: Season 1 20 episodes Premiered Mar 30, 2024 Updated Jul 19, 2026 Spoiler-safe Advertisement Episodes S1·E1 Episode 1 (Part 1) Mar 30, 2024 · 52 min S1·E2 Episode 1 (Part 2) Mar 30, 2024 · 78 min S1·E3 Episode 2 (Part 1) Apr 6, 2024 · 43 min S1·E4 Episode 2 (Part 2) Apr 6, 2024 · 53 min S1·E5 Episode 3 (Part 1) Apr 13, 2024 · 50 min S1·E6 Episode 3 (Part 2) Apr 13, 2024 · 58 min S1·E7 Episode 4 (Part 1) Apr 20, 2024 · 54 min S1·E8 Episode 4 (Part 2) Apr 20, 2024 · 60 min S1·E9 Episode 5 (Part 1) May 4, 2024 · 53 min S1·E10 Episode 5 (Part 2) May 4, 2024 · 50 min S1·E11 Episode 6 (Part 1) May 11, 2024 · 56 min S1·E12 Episode 6 (Part 2) May 11, 2024 · 60 min S1·E13 Episode 7 (Part 1) May 18, 2024 · 46 min S1·E14 Episode 7 (Part 2) May 18, 2024 · 51 min S1·E15 Episode 8 (Part 1) May 25, 2024 · 67 min S1·E16 Episode 8 (Part 2) May 25, 2024 · 68 min S1·E17 Episode 9 (Part 1) Jun 1, 2024 · 50 min S1·E18 Episode 9 (Part 2) Jun 1, 2024 · 51 min S1·E19 Episode 10 (Part 1) Jun 8, 2024 · 62 min S1·E20 Episode 10 (Part 2) Jun 8, 2024 · 65 min