Season
Season 4 Episode
- Season 4 In the Far North
- Season 4 Raids
- Season 4 The Final Load Test
- Season 4 Dark Territory
- Season 4 The Night Before Battle
- Season 4 Battle of the Knights
- Season 4 Stigma of the Disqualified
- Season 4 Blood and Life
- Season 4 Sword and Fist
- Season 4 Stacia, the Goddess of Creation
- Season 4 Heartless Choice
- Season 4 Ray of Light
- Season 4 The War of Underworld
- Season 4 End to Eternity
- Season 4 Instigation
- Season 4 Code 871
- Season 4 Prince of Hell
- Season 4 Memories
- Season 4 Awakening
- Season 4 The Night-Sky Blade
- Season 4 Beyond Time
- Season 4 Alice
- Season 4 New World
Sword Art Online - Season 4 Episode 16 Code 871
8.18 24 minutes The traitor inside Rath turns out to be a researcher named Yanai. When Higa attempts to restore Kirito, Yanai tries to thwart the operation by holding him at gunpoint. Meanwhile, in the Underworld, Sinon confronts Gabriel, who has logged back in.
