

Episode 9: “What, Exactly, Is a Human?”
- 9 of 27
- May 27, 2007
- 24 min
- Aired
Contents
| Series | Gurren Lagann |
|---|---|
| Episode | 9 of 27 |
| Japanese | ヒトっていったい何ですか? |
| Original air date | May 27, 2007 |
| Episode length | 24 min |
| Studio | Gainax |
| Previous episode | Episode 8: “Later, Buddy” |
| Next episode | Episode 10: “Who Is This Bro?” |
| Streaming | Crunchyroll, Hulu |
“What, Exactly, Is a Human?” is episode 9 of the anime Gurren Lagann. It first aired on May 27, 2007.
Summary
The summary below describes what happens in this episode.
Thymilph’s death alarms Lordgenome, while the Great Gurren Brigade takes possession of the Dai-Ganzan and mourns one of its members. Simon sinks into deep depression and falls from a cliff into a valley. There, he sees a Gunman cast a capsule into the murky depths. After opening it, Simon discovers Nia, a young human girl.
Characters in this episode
Music in this episode
- OP 1“Sorairo Days” — Shouko NakagawaAnimeThemes
- ED 1“UNDERGROUND” — HIGH VOLTAGEAnimeThemes
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.