I don't rank individual seasons separately because I prefer to judge each anime as a whole. The placements are based primarily on my personal experience and what I liked or disliked about each series.

Some anime might be ranked lower than you expected, even if they're your favourites. That's simply because we don't necessarily share the same tastes or preferences. This tierlist reflects my personal opinions, not an objective ranking.

S Tier:
Exceptional character writing, psychological depth, worldbuilding, storytelling, production quality, character development, political intrigue, economics, social structures, and progression. Outstanding execution with very few weaknesses.

A Tier:
Excellent storytelling, strong worldbuilding, good character development, high production quality, engaging progression, and well-developed characters. Minor flaws but consistently enjoyable.

B Tier:
Decent worldbuilding, storytelling, animation, and character development. Enjoyable progression and an interesting premise, but noticeable weaknesses in writing, pacing, or execution.

C Tier:
Mediocre storytelling, generic worldbuilding, average production quality, predictable characters, and repetitive progression. Some entertaining elements, but little originality or depth.

D Tier:
Poor storytelling, weak character writing, generic worldbuilding, low production quality, rushed pacing, repetitive power fantasies, and shallow progression. Little originality, substance, or meaningful character development.