Gurren Lagann - Episode 20 of Back Arrow has a What else?

Episode 20 of Back Arrow has a "What else? COMBINE!" Reference from Gurren Lagann. Kazuki Nakashima was the writer for both Gurren Lagann (2007) and Back

Gurren Lagann (TV Series 2007) - News - IMDb

Gurren Lagann (TV Series 2007) - IMDb

WE CAN SIMP AGAIN!!!, EVERYONE IS BACK FOR A FIGHT

Back Arrow - Episode 20 discussion : r/anime

A Rewatch to Pierce the Heavens - Tengen Toppa Gurren Lagann Episode 20 Discussion [Spoilers] : r/anime

A Rewatch to Pierce the Heavens - Tengen Toppa Gurren Lagann Episode 20 Discussion [Spoilers] : r/anime

Gurren Lagann is back on Netflix (US)! : r/anime

BACK ARROW (Ep. 1-2) Premieres DUBBED Tomorrow on Funimation! : r/Animedubs

Tengen Toppa Gurren Lagann / Awesome - TV Tropes

A Rewatch to Pierce the Heavens - Tengen Toppa Gurren Lagann Episode 20 Discussion [Spoilers] : r/anime

A Rewatch to Pierce the Heavens - Tengen Toppa Gurren Lagann Episode 20 Discussion [Spoilers] : r/anime

Viral, Tengen Toppa Gurren Lagann Wiki

Back Arrow - Episode 20 discussion : r/anime

Tengen Toppa Gurren Lagann – 27 (End) and Series Reflections - Lost in Anime

Back Arrow Anime Streams Video Highlighting Principality of Ryuto - News - Anime News Network