Bleach
Agent of the Shinigami arc [7.70]
Soul Society: The Sneak Entry arc & The Rescue arc [8.40] (P1 - 8.70/10 & P2 - 8.30/10)
Arrancar Saga [7.75/10] (P1 - 7.80/10, P2 - 7.25/10 & P3 - 8.20/10)
The Lost Substitute Shinigami (Fullbringer) arc [6.00/10]
Thousand-Year Blood War arc - [8.30/10] (P1 - 8.90/10, P2 - 7.50/10, P3 - x.yy & P4 - y.zz)
Note: For the Arrancar Saga, P1, P2 & P3 are as follows: The Arrancar invasion arc, the Hueco Mundo arc, and the battle for Karakura Town arc.
Naruto
Original
Land of Waves - [7.50]
Chunin Exams - [8.10]
Konoha Crush - [8.50]
Search for Tsunade - [7.20]
Sasuke Recovery Mission - [8.00]
Shippuden
Kazekage Rescue Mission - [7.25]
Tenchi Bridge Reconnaissance Mission - [6.50/10]
Akatsuki Suppression Mission - [8.00/10]
The Master’s Prophecy and Vengeance - [8.60/10]
Pain’s Assault - [8.70/10]
Five Kage Summit - [8.00/10]
Fourth Shinobi World War: Countdown - [7.30/10]
Fourth Shinobi World War: Confrontation - [4.25/10]
Fourth Shinobi World War: Climax - [5.40/10]
Birth of the Ten-Tails’ Jinchuriki - [6.30/10]
Kaguya Otsutsuki Strikes - [5.75/10]
Post-War arc - [7.50/10]
Note: Fourth Shinobi War arc (Weightage/5 score = [5.30])
One Piece
East Blue Saga
Romance Dawn - [6.25]
Orange Town - [6.30]
Syrup Village - [6.00]
Baratie - [7.50]
Arlong Park - [7.50]
Loguetown - [7.30]
Alabasta Saga
Reverse Mountain - [5.80]
Whisky Peak - [5.90]
Little Garden - [6.40]
Drum Island - [7.50]
Alabasta - [8.00]
Sky Island Saga
Jaya - [7.20]
Skypiea - [7.75]
Water 7 Saga
Long Ring Long Land - [6.75]
Water 7 - [8.30]
Enies Lobby - [8.60]
Post-Enies Lobby - [8.00]
Thriller Bark Saga
Thriller Bark - [7.75]
Summit War Saga
Sabaody Archipelago - [8.50]
Amazon Lily - [7.50]
Impel Down - [8.35]
Marineford - [9.50]
Post-War - [8.50]
Fishman Island Saga
Return to Sabaody - [7.90]
Fishman Island - [6.40]
Dressrosa Saga
Punk Hazard - [7.50]
Dressrosa - [8.10]
Whole Cake Island Saga
Zou - [8.00]
Whole Cake Island - [7.25]
Reverie - [7.50]
Wano Country Saga
Wano Country - [7.50]
Final Saga
Egghead Arc - [7.90]
Elbaph Arc
Note: Pre-timeskip [8.25] > Post-timeskip [7.50]