

Episode 13: “Masked Warrior”
- 13 of 24
- September 27, 2019
- 24 min
- Aired
Contents
| Series | Dr. Stone |
|---|---|
| Episode | 13 of 24 |
| Original air date | September 27, 2019 |
| Episode length | 24 min |
| Studio | TMS Entertainment |
| Previous episode | Episode 12: “Buddies Back to Back” |
| Next episode | Episode 14: “Master of Flame” |
| Streaming | Crunchyroll, Netflix, Prime Video, Hulu |
“Masked Warrior” is episode 13 of the anime Dr. Stone. It first aired on September 27, 2019.
Summary
The summary below describes what happens in this episode.
Senkuu Ishigami determines that alcohol is the essential ingredient for producing antibiotics. To obtain it, the Kingdom of Science must win the Grand Bout. Victory would also prevent Magma from approaching Ruri and secure the treatment needed for her illness.
Characters in this episode
Music in this episode
- OP 1“Good Morning World!” — BURNOUT SYNDROMESAnimeThemes
- ED 1“LIFE” — Rude-αAnimeThemes
Where to watch
Streaming services that list Dr. Stone. 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 24 episodes → · 12 of 24 episodes have a summary
About the series

Dr. Stone is an adventure and comedy anime about humanity’s revival after a catastrophe turns people into stone. Its distinctive premise places scientific discovery at the center of rebuilding civilization, following determined characters as they confront a world where modern society has disappeared and practical…
Read the article →References
- “Dr. Stone”. Kitsu. Retrieved October 22, 2026.
- “Dr. Stone”. MyAnimeList. Retrieved October 27, 2026.
- “Dr. Stone”. 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.