The episode focuses on the Survey Corps recruits trapped at Utgard Castle . As Titans attack the tower during the night, the soldiers—including Reiner, Bertholdt, Connie, and Historia—must defend themselves without their Omni-directional Mobility gear. The episode ends with a major reveal regarding Ymir .
The search results for primarily point to two popular anime episodes with that specific title and dub status: Attack on Titan Season 2, Episode 4 and Chained Soldier Season 2, Episode 4 . Option 1: Attack on Titan (Shingeki no Kyojin) (Dub) 4 : Soldier
The English dub is widely available on platforms like Crunchyroll , Hulu, and Prime Video . Option 2: Chained Soldier (Mato Seihei no Slave) The episode focuses on the Survey Corps recruits