Ep. 20: Simon meets Viral in prison while Rossiu's emergency plan consequences are revealed
Aired on August 12, 2007

Upon arriving at the prison facility, Simon encounters Viral, who remarks on the extent of his downfall. Concurrently, details regarding Rossiu's emergency plan come to light, exposing the severe repercussions faced by those remaining on Earth. This revelation sheds light on the strategic decisions made and their impact on the population left behind, highlighting the gravity of the situation as Simon navigates his confinement and the shifting political landscape.
Episodes
- Ep. 16 · Compilation episode recapping series events and showing writers documenting the first half of Gurren Lagann
- Ep. 17 · Seven years of prosperity under Simon end as a looming threat emerges
- Ep. 18 · Simon searches for Nia after the Anti-Spirals' first attack while Rossiu completes his secret project.
- Ep. 19 · Rossiu arrests Simon to calm public opinion before deploying him against the Anti-Spirals.
- Ep. 20 · Simon meets Viral in prison while Rossiu's emergency plan consequences are revealed
- Ep. 21 · Yoko returns to Teppelin after a year teaching, reuniting with Simon to launch into space with Viral.
- Ep. 22 · The team combines their mechs into Arc-Gurren-Lagann to halt the Human Annihilation System
- Ep. 23 · Team Dai-Gurren prepares for the final battle while Rossiu goes missing
- Ep. 24 · Team Dai-Gurren traverses dimensions guided by Simon and Nia's bond to find the Anti-Spirals' home.