- Producer: Wit Studio
- Genre: Horror, Action, Dark Fantasy
- Release Date: August 8, 2014
Bundled with Limited Edition manga Vol. 14.
- 1st OVA: Ilse's Notebook is an adaptation of a manga side story about Ilse who was lost in Titan territory and kept recording her discovery of an aberrant Titan until her death.
- 2nd OVA: The anime will detail Eren and his friends' greatest trial yet: A "memorable episode before the 104th Training Corps became unifited."
There are more clips on Youtube for Attack on Titan OVAs. Created to have at least one trailer for the Summer OVA 2014 Guide (part of Summer 2014 Anime Trailer Guide).