Fishtronaut / Season 1 Season guide Fishtronaut: Season 1 52 episodes Premiered Apr 20, 2009 Updated Sep 16, 2026 Spoiler-safe 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 Episode 50 Episode 51 Episode 52 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 (49): Character development & subplots Side Quest (0): Standalone / filler Show All (52) Crucial Mytharc (3) Essential Canon (52) S1·E1 Mytharc The Case of The Sunny Day Apr 20, 2009 S1·E2 Core The Case of the Long Nosed Monkey Apr 27, 2009 S1·E3 Core The Case of The Lost Critter May 4, 2009 S1·E4 Core The Case of The Yucky Slime May 11, 2009 S1·E5 Core The Case of The Pitch Black Night May 18, 2009 S1·E6 Core The Case of The Strange Smell May 25, 2009 S1·E7 Core The Case of The Crabby Birthday Jun 1, 2009 S1·E8 Core The Case of The Oily Rainbow Jun 8, 2009 S1·E9 Core The Case of The Quaking Park Jun 15, 2009 S1·E10 Core The Case of The Disappearing Friends Jun 22, 2009 S1·E11 Core The Case of The Gopher Frenzy Jun 29, 2009 S1·E12 Core The Case of The Seven Colours Jul 6, 2009 S1·E13 Core The Case of The Lost Toy Jul 13, 2009 S1·E14 Core The Case of The Disappearing Picnic Baskets Jul 20, 2009 S1·E15 Core The Case of The Spooky Night Jul 27, 2009 S1·E16 Core The Case of The Messy Storeroom Aug 3, 2009 S1·E17 Core The Case of The Zeek's Disappearance Aug 10, 2009 S1·E18 Core The Case of The Mysterious Spots Aug 17, 2009 S1·E19 Core The Case of The Bubbles Aug 24, 2009 S1·E20 Core The Case of The Mistaken Identities Aug 31, 2009 S1·E21 Core The Case of The Kiwi Bird Sep 7, 2009 S1·E22 Core The Case of The Missing Honey Sep 14, 2009 S1·E23 Core The Case of The Flowerless Garden Sep 21, 2009 S1·E24 Core The Case of The Mysterious Honk Sep 28, 2009 S1·E25 Core The Case of The Day that was Night Oct 5, 2009 S1·E26 Core The Case of The Lurking Creature Oct 12, 2009 S1·E27 Core The Case of The Lazy Rabbit Oct 19, 2009 S1·E28 Core The Case of The End of The World Oct 26, 2009 S1·E29 Core The Case of The Stranded Giant Nov 2, 2009 S1·E30 Core The Case of The Flying Leaves Nov 9, 2009 S1·E31 Core The Case of The Seed Spreaders Nov 16, 2009 S1·E32 Core The Case of The Missing Water Nov 23, 2009 S1·E33 Core The Case of The Pale Flowers Nov 30, 2009 S1·E34 Core The Case of The Happy Plumb Dec 7, 2009 S1·E35 Core The Case of The Little Sheep Dec 14, 2009 S1·E36 Core The Case of The Missing Crickets Dec 21, 2009 S1·E37 Core The Case of The Disappearing Logs Dec 28, 2009 S1·E38 Core The Case of The Heavy Rain Jan 4, 2010 S1·E39 Core The Case of The Blue Wings Jan 11, 2010 S1·E40 Core The Case of The Shining Gnomes Jan 18, 2010 S1·E41 Core The Laughter Case Jan 25, 2010 S1·E42 Core The Case of The Plastic Bottles Feb 1, 2010 S1·E43 Core The Case of The Puppies Feb 8, 2010 S1·E44 Core The Case of The Scalding Sands Feb 15, 2010 S1·E45 Core The Case of The ... What Case is This Again? Feb 22, 2010 S1·E46 Core The Case of The Molten Ice Mar 1, 2010 S1·E47 Core The Case of Marina's Gift Mar 8, 2010 S1·E48 Core The Case That Fell From The Sky Mar 15, 2010 S1·E49 Core The Case of The Missing Eggs Mar 22, 2010 S1·E50 Core The Case of The Disappearing Things Mar 29, 2010 S1·E51 Mytharc The Case of Billy's Disappearance Apr 5, 2010 S1·E52 Mytharc The Case of The Three Singers Apr 12, 2010