Through the Keyhole / Season 1 Season guide Through the Keyhole: Season 1 13 episodes Premiered Apr 3, 1987 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 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. 23% 77% Mytharc (3): Crucial lore & season climaxes Core (10): Character development & subplots Side Quest (0): Standalone / filler Show All (13) Crucial Mytharc (3) Essential Canon (13) S1·E1 Mytharc Series 1, Show 1 Apr 3, 1987 S1·E2 Core Series 1, Show 2 Apr 10, 1987 S1·E3 Core Series 1, Show 3 Apr 17, 1987 S1·E4 Core Series 1, Show 4 Apr 24, 1987 S1·E5 Core Series 1, Show 5 May 1, 1987 S1·E6 Core Series 1, Show 6 May 8, 1987 S1·E7 Core Series 1, Show 7 May 15, 1987 S1·E8 Core Series 1, Show 8 May 22, 1987 S1·E9 Core Series 1, Show 9 May 29, 1987 S1·E10 Core Series 1, Show 10 Jun 5, 1987 S1·E11 Core Series 1, Show 11 Jun 12, 1987 S1·E12 Mytharc Series 1, Show 12 Jun 19, 1987 S1·E13 Mytharc Series 1, Show 13 Jun 26, 1987