Kamen Rider Den-O / Season 1 Season guide Kamen Rider Den-O: Season 1 49 episodes Premiered Jan 28, 2007 Updated Jul 23, 2026 Spoiler-safe Advertisement Season 1 Episodes Episode Guide 🛡️ SPOILER SHIELD Season 1 Progress Shield All Safe I'm Watching Caught Up Season: Season 1 Last Watched: None (Not started) Episode 1 Episode 2 Episode 3 Episode 4 Episode 5 Episode 6 Episode 7 Episode 8 Episode 9 Episode 10 Episode 11 Episode 12 Episode 13 Episode 14 Episode 15 Episode 16 Episode 17 Episode 18 Episode 19 Episode 20 Episode 21 Episode 22 Episode 23 Episode 24 Episode 25 Episode 26 Episode 27 Episode 28 Episode 29 Episode 30 Episode 31 Episode 32 Episode 33 Episode 34 Episode 35 Episode 36 Episode 37 Episode 38 Episode 39 Episode 40 Episode 41 Episode 42 Episode 43 Episode 44 Episode 45 Episode 46 Episode 47 Episode 48 Episode 49 Future titles & synopses blurred. Tap "Reveal" on any card to peek. Binge Efficiency Engine Season 1: Filler vs. Essential Canon Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests. 94% Mytharc (3): Crucial lore & season climaxes Core (46): Character development & subplots Side Quest (0): Standalone / filler Show All (49) Crucial Mytharc (3) Essential Canon (49) S1·E1 Mytharc Episode 1 Jan 28, 2007 · 24 min S1·E2 Core Episode 2 Feb 4, 2007 S1·E3 Core Episode 3 Feb 11, 2007 S1·E4 Core Episode 4 Feb 18, 2007 S1·E5 Core Episode 5 Feb 25, 2007 S1·E6 Core Episode 6 Mar 4, 2007 S1·E7 Core Episode 7 Mar 11, 2007 S1·E8 Core Episode 8 Mar 18, 2007 S1·E9 Core Episode 9 Mar 25, 2007 S1·E10 Core Episode 10 Apr 1, 2007 S1·E11 Core Episode 11 Apr 8, 2007 S1·E12 Core Episode 12 Apr 15, 2007 S1·E13 Core Episode 13 Apr 22, 2007 S1·E14 Core Episode 14 Apr 29, 2007 S1·E15 Core Episode 15 May 6, 2007 S1·E16 Core Episode 16 May 13, 2007 S1·E17 Core Episode 17 May 20, 2007 S1·E18 Core Episode 18 May 27, 2007 S1·E19 Core Episode 19 Jun 3, 2007 S1·E20 Core Episode 20 Jun 10, 2007 S1·E21 Core Episode 21 Jun 24, 2007 S1·E22 Core Episode 22 Jul 1, 2007 S1·E23 Core Episode 23 Jul 8, 2007 S1·E24 Core Episode 24 Jul 15, 2007 S1·E25 Core Episode 25 Jul 22, 2007 S1·E26 Core Episode 26 Jul 29, 2007 S1·E27 Core Episode 27 Aug 5, 2007 S1·E28 Core Episode 28 Aug 12, 2007 S1·E29 Core Episode 29 Aug 19, 2007 S1·E30 Core Episode 30 Aug 26, 2007 S1·E31 Core Episode 31 Sep 2, 2007 S1·E32 Core Episode 32 Sep 9, 2007 S1·E33 Core Episode 33 Sep 16, 2007 S1·E34 Core Episode 34 Sep 23, 2007 S1·E35 Core Episode 35 Sep 30, 2007 S1·E36 Core Episode 36 Oct 7, 2007 S1·E37 Core Episode 37 Oct 14, 2007 S1·E38 Core Episode 38 Oct 21, 2007 S1·E39 Core Episode 39 Oct 28, 2007 S1·E40 Core Episode 40 Nov 4, 2007 S1·E41 Core Episode 41 Nov 11, 2007 S1·E42 Core Episode 42 Nov 25, 2007 S1·E43 Core Episode 43 Dec 2, 2007 S1·E44 Core Episode 44 Dec 9, 2007 S1·E45 Core Episode 45 Dec 16, 2007 S1·E46 Core Episode 46 Dec 23, 2007 S1·E47 Core Episode 47 Jan 6, 2008 S1·E48 Mytharc Episode 48 Jan 13, 2008 S1·E49 Mytharc Episode 49 Jan 20, 2008