Build my own list
If you liked

Dr. STONE

2019–2026 · 4 seasons · Tokyo MX

New and upcoming (2026 and later)

Out this year, or not out yet.

Marriage Toxin

2026 · 2 seasons · Fuji TV
shounenbased on manga
CrunchyrollCrunchyroll Amazon ChannelYouTube TV
KILL BLUEKILL BLUEWitch Hat AtelierWitch Hat AtelierAmong UsAmong UsGo for It, Nakamura-kun!!Go for It, Nakamura-kun!!

The last five years (2021 to 2025)

Current, and all of it watchable now.

Rurouni Kenshin

2023–2025 · 1 season · Fuji TV
shounenbased on manga
NetflixHuluCrunchyroll
GAMERA -Rebirth-GAMERA -Rebirth-Shangri-La FrontierShangri-La FrontierSHAMAN KINGSHAMAN KINGMy Hero Academia: VigilantesMy Hero Academia: VigilantesUrusei YatsuraUrusei YatsuraMy Gift Lvl 9999 Unlimited Gacha: Backstabbed in a Backwater Dungeon, I'm Out for Revenge!My Gift Lvl 9999 Unlimited Gacha: Backstabbed in a Backwater Dungeon, I'm Out for Revenge!Godzilla Singular PointGodzilla Singular Point

Five to fifteen years back (2011 to 2020)

Recent enough that everyone can still find it, old enough to be finished.

Assassination Classroom

2015–2016 · 2 seasons · Fuji TV
shounenbased on manga
NetflixCrunchyrollCrunchyroll Amazon Channel
Girls' Last TourGirls' Last TourSteins;GateSteins;GateHunter x HunterHunter x HunterDragon Quest: The Adventure of DaiDragon Quest: The Adventure of DaiLand of the LustrousLand of the LustrousMy Hero AcademiaMy Hero AcademiaBNABNA

Older than fifteen years (before 2011)

The back catalogue, where the closest match often is.

Naruto Shippūden

2007–2017 · 20 seasons · TV Tokyo
shounenbased on manga
HuluCrunchyrollCrunchyroll Amazon Channel
One PieceOne PieceYu-Gi-Oh! GXYu-Gi-Oh! GXKenichi: The Mightiest DiscipleKenichi: The Mightiest DiscipleFuture Boy ConanFuture Boy ConanFullmetal AlchemistFullmetal AlchemistDragon Ball ZDragon Ball ZAngel Beats!Angel Beats!

Want this tuned to you?

Name three shows you loved and it ranks the whole catalogue against your taste rather than against one title.

Build my list