The rushed second season of The Promised Neverland amplified manga flaws, culminating in an ending that skipped Emma losing her memories, undermining its initial high stakes.
Dr. Stone's journey was stellar, but its finale fell flat by revealing the mysterious Why-Man as a swarm of aliens who faced no consequences for their actions.
Despite five seasons, Food Wars concluded without Soma ever decisively surpassing his father, Joichiro. The ending also left his romance with Erina Nakiri feeling underdeveloped.
Takopi’s Original Sin delivered a powerful story, but its ending felt unconvincing. Marina's sudden reconciliation with Shizuka, despite her past brutal bullying, was jarring and hard to accept.
My Hero Academia's ending divided fans, with Deku becoming a teacher while his peers gained fame. His eventual high-tech suit further blurred the anime's message about heroism.