Histoire
An anthology of animated shorts featuring characters from Gurren Lagann in alternative worlds. Every clip is animated by a particular animator of GAINAX. Creators are Akira Amemiya, Shin Itagaki, Hirokazu Kojima, SUEZEN, Ryouji Masuyama, Hiroyuki Yamaga, Yoh Yoshinari, and Keisuke Watanabe
Synopsis via AniList (en anglais).