Shingeki No Kyojin Ova - Episode 1 Apr 2026

The episode introduced the name "Ymir" long before its significance was fully explained in the main series, hinting at a deeper history behind the Titans.

The discovery of the notebook and the evidence that Titans might be sentient changed the Scouts' approach, finally convincing Erwin to allow Titan capture missions. Watch Information Shingeki no Kyojin OVA - Episode 1

The episode follows two parallel timelines: the present search by the Scout Regiment and the past account written in a diary. The episode introduced the name "Ymir" long before

The notebook reveals Ilse's struggle after her squad was wiped out. Lost and without a horse or gear, she attempted to flee north. She encountered a Titan that, instead of eating her immediately, bowed and spoke human words, calling her "a subject of Ymir" and "Lady Ymir". The notebook reveals Ilse's struggle after her squad

During the 49th Exterior Scouting Mission, Hange Zoë is obsessed with capturing a Titan for research, despite Commander Erwin Smith’s refusal due to the high risk. While pursuing a Titan into a forest, the scouts find the decapitated body of a soldier, Ilse Langnar , hidden inside a tree, with her notebook nearby.

The first OVA episode of Shingeki no Kyojin (Attack on Titan) is titled . Chronologically, it is often numbered as Episode 3.5 because it takes place before the Trost arc and provides vital context for the mysteries of the Titans. Plot Summary