Episode 24

Synpois
They have launched into space with the Cathedral Terra, now re-named the Chouginga Dai-Gurren. They rip through space itself going after Nia. When the come out on the other side of the hole, they see a gigantic hologram of Nia. They try to continue but they end up being trapped in this mini-universe created by the anit-spirals.

The anti-spirals launch gigantic warships that even make Arc-Gurren Lagann seem small. The huge warships dispatch a large amount of smaller ships, so the entire Gurren and Grapal brigade launch, with their upgraded Gunmen, which now match Arc-Gurren Lagann in

They are easily defeating the anti-spiral ships, but the large warships cannot be affected by anything, including Arc-Gurren Lagann's drill. So Simon and Viral return to Chouginga Dai-Gurren to combine with it, but it will take a large amount of time. While they do that the Gurren Brigade stays back and fights but Team Dai-Gurren loses some precious members to a vicious offensive. Finally they are ready to transform the Chouginga Dai-Gurren, but it turns out to all be a trap by the anti-spirals, and they end up falling into a gigantic ocean in space and lose all spiral energy.