Episode 18: “Tell Me the Secrets of This World.”
- 18 of 27
- July 29, 2007
- 24 min
- Aired
Contents
| Series | Gurren Lagann |
|---|---|
| Episode | 18 of 27 |
| Japanese | 聞かせてもらうぞこの世界の謎を |
| Original air date | July 29, 2007 |
| Episode length | 24 min |
| Studio | Gainax |
| Previous episode | Episode 17: “You Don't Know Anything!” |
| Next episode | Episode 19: “We Will Survive by Any Means Necessary” |
| Streaming | Crunchyroll, Hulu |
“Tell Me the Secrets of This World.” is episode 18 of the anime Gurren Lagann. It first aired on July 29, 2007.
Summary
The summary below describes what happens in this episode.
Nia makes a shocking declaration, leaving the others in confusion and Simon unable to locate her. Meanwhile, Rossiu completes a secret project that restores Lordgenome in the form of data. Rossiu seeks to use this reconstruction to uncover the world’s hidden mysteries.
Characters in this episode
Music in this episode
- OP 1“Sorairo Days” — Shouko NakagawaAnimeThemes
- ED 3“Minna no Peace” — AfromaniaAnimeThemes
Where to watch
Streaming services that list Gurren Lagann. What you can watch depends on your country. Acino does not host any video; each link leads to the service's own page.
Episode guide
All 27 episodes → · 17 of 27 episodes have a summary
About the series
Set in a future where people live in underground communities, this science-fiction adventure follows Simon and Kamina as they encounter a way to reach the surface. Its opening combines a buried village, a mysterious machine discovered during excavation, and an unexpected arrival from the world above, setting the…
Read the article →References
- “Gurren Lagann”. Kitsu. Retrieved October 22, 2026.
- “Tengen Toppa Gurren Lagann”. MyAnimeList. Retrieved October 27, 2026.
- “Gurren Lagann”. AnimeThemes. Retrieved October 23, 2026.
Episode titles and air dates come from Kitsu. The summary is written by Acino with AI assistance and checked so that it does not copy other sites.