Also known as: ウルトラマンゼロVSダークロプスゼロ
The direct-to-video spin-off to Dai-Kaijuu Battle Ultra Ginga Densetsu The Movie, released in 2010.
This special takes place in-between the previous movie and the next movie, Ultraman Zero The Movie Choukessen! Belial Ginga Teikoku.