Shingeki no Kyojin: Chimi Kyara Gekijou - Rivai-han is a special anime that premiered in fall 2018, produced by WIT STUDIO.

About the production: the story comes from a manga, there are 4 episodes of about 2 minutes and its current status is "finished".

Its main genres are comedy and fantasy, with themes such as Chibi, Parody and Military.

On AniList, Shingeki no Kyojin: Chimi Kyara Gekijou - Rivai-han has an average score of 75%, a very good score, and appears on 17,007 users' lists.

The franchise continues in or follows from: Shingeki no Kyojin: Chimi Kyara Gekijou - Rivai-han Part 2.

Shingeki no Kyojin Season 3 DVD/BD specials. They are chibi parody shorts; one video was included on each of the DVD/BDs for a total of four. Each video contained three stories (essentially chibi parody short episode 38–49) which continued the chibi parody story from the previous chibi parody specials included on the DVD/BDs of the previous seasons.

Official synopsis from AniList.