

Episode 4: “For My Weak Little Sister”
- 4 of 12
- July 27, 2016
- 24 min
- Aired
From Acino, the anime encyclopedia
| Series | Fate/kaleid liner Prisma Illya 3rei!! |
|---|---|
| Episode | 4 of 12 |
| Japanese | 弱虫の妹へ |
| Original air date | July 27, 2016 |
| Episode length | 24 min |
| Studio | SILVER LINK. |
| Previous episode | Episode 3: “Your True Enemy” |
| Next episode | Episode 5: “The Little Lady Attacks” |
| Streaming | Crunchyroll |
“For My Weak Little Sister” is episode 4 of the anime Fate/kaleid liner Prisma Illya 3rei!!. It first aired on July 27, 2016.
Summary
A summary of this episode has not been written yet.
Music in this episode
- ED 1“WHIMSICAL WAYWARD WISH”AnimeThemes
Where to watch
Streaming services that list Fate/kaleid liner Prisma Illya 3rei!!. 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
About the series

Fate/kaleid liner Prisma Illya 3rei!!TV series · 2016 · 12 episodes · SILVER LINK. · ★ 7.48
Fate/kaleid liner Prisma Illya 3rei!! is a 2016 Japanese anime television series based on the manga series by Hiroshi Hiroyama and Type-Moon. It is animated by SILVER LINK.. It aired from July 6, 2016 to September 21, 2016, with 12 episodes.
Read the article →References
- “Fate/kaleid liner Prisma Illya 3rei!!”. Kitsu. Retrieved October 23, 2026.
- “Fate/kaleid liner Prisma☆Illya 3rei!!”. MyAnimeList. Retrieved October 27, 2026.
- “Fate/kaleid liner Prisma Illya 3rei!!”. 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.