My Siblings / Season 1 Season guide My Siblings: Season 1 18 episodes Premiered Feb 20, 2021 Updated Jul 19, 2026 Spoiler-safe Advertisement Episodes S1·E1 Episode 1 Feb 20, 2021 S1·E2 Episode 2 S1·E3 Episode 3 S1·E4 Episode 4 S1·E5 Episode 5 S1·E6 Episode 6 S1·E7 Episode 7 S1·E8 Episode 8 Apr 10, 2021 S1·E9 Episode 9 Apr 17, 2021 S1·E10 Episode 10 Apr 24, 2021 S1·E11 Episode 11 May 1, 2021 S1·E12 Episode 12 May 8, 2021 S1·E13 Episode 13 May 15, 2021 S1·E14 Episode 14 May 22, 2021 S1·E15 Episode 15 May 29, 2021 S1·E16 Episode 16 Jun 5, 2021 S1·E17 Episode 17 Jun 12, 2021 S1·E18 Episode 18 Jun 19, 2021