''Grander Musashi'' follows the story of a young boy, Musashi, moving from his home in Tokyo to country-side. There, he makes friend with Mio and Suguru, who are the fellow students, among other fishermen, and learns to master the art of fishing. Musashi finds out later that there's an evil organization which uses dirty and cruel tricks in fishing, and ends up having to duel with its members in order to stop them. Began with a manga which ran from 1996 to 2000. Had a short-lived anime which lasted for about 25 episodes. There was a sequel series called ''Grander Musashi RV'', which ran for 39 episodes. The sequel tells the story of "Legenders", the legendary lures that is believeed one who get ahold of them will be the greatest grander in the world. Musashi and his friends set out their journey to find them while having to battle with other skillful rivals who are also looking for the Legenders.

[[JustForFun/IThoughtThatWas No relation to the OTHER]] [[UsefulNotes/MiyamotoMusashi Musashi]].

!!These works provide examples of:

* ArtEvolution: Arts in original series and RV are slightly different and improved. And then there's some people who say Musashi in ''RV'' looks like ''{{Anime/Pokemon}}'s'' Ash Ketchum.
* CompanionCube: The fishers are all very attached to their fishing rods and lures.
* EverythingsBetterWithSpinning: Spiral Cast sometimes goes UpToEleven.
* GottaCatchThemAll: The "Legender" lures.
* GreenAesop: Release the fish after catching it, etc...
* HeelFaceTurn: BB, [[spoiler:and BigBad of the first season in the very end. His son Kuki Jr. turns good too in the end of the RV series.]]
* MissingMom
* NoHuggingNoKissing: There is some ShipTease in ''Grander Musashi RV'', but there's never any confirmed {{official couple}}s. Though the first series and manga were, IIRC, more obvious about Musashi x Mio ship teasing.
* PowerTrio: Musashi, Mio, and Suguru, although most of the work and spotlight goes to TheHero.
* OvershadowedByAwesome: Mio and Suguru in ''RV'', due to loads of awesome rivals and their custom lures.
* SeriousBusiness: Sports fishing is often a matter of life or death, especially in ''RV''. There's even an academy that trains would-be anglers in the dark arts of fishing. In the sequel, seven divine lures that everybody is after created by Poseidon ''are the reason for the sinking of Atlantis''.
* SoLastSeason: In the first series, Musashi's fishing rod and his Orcaizer lure were special. In the next season, his friends Mio and Suguru get similar rods and Orcaizers, while Musashi's rod is mystically changed when his Orcaizer becomes the King Orcaizer.
* TimeSkip: The sequel series is set a few years after the first.
* TournamentArc: Happens in China.
* TrainingFromHell: When Musashi's undergo a training under a BigBad. AdvancingWallOfDoom included.
* WalkingShirtlessScene: Running ''naked'' scene, in the middle of the rain, to boot.