X Factor / Season 1 Season guide X Factor: Season 1 11 episodes Premiered Sep 11, 2011 Updated Jul 21, 2026 Spoiler-safe Advertisement Episodes S1·E1 Episode 1 Sep 11, 2011 S1·E2 Episode 2 Oct 4, 2011 S1·E3 Episode 3 Oct 11, 2011 S1·E4 Episode 4 Oct 18, 2011 S1·E5 Episode 5 Oct 25, 2011 S1·E6 Episode 6 Nov 1, 2011 S1·E7 Episode 7 Nov 8, 2011 S1·E8 Episode 8 Nov 15, 2011 S1·E9 Episode 9 Nov 22, 2011 S1·E10 Episode 10 Nov 29, 2011 S1·E11 Episode 11 Dec 11, 2011