The Familiar of Zero Facts, FAQ & Common Questions
2006 · AT-X, Chiba TV · Status: Ended · Rated: TV-14
Frequently Asked Questions About The Familiar of Zero
Direct, verified answers to the most common queries regarding episodes, renewals, watch order, and streaming availability.
How many seasons and episodes does The Familiar of Zero have?
The Familiar of Zero has 4 seasons and 49 total episodes, spanning from its premiere on July 3, 2006 to March 24, 2012.
Is The Familiar of Zero renewed, ended, or canceled?
The Familiar of Zero has concluded its run and is officially ended.
How long does it take to binge watch The Familiar of Zero?
It takes 18h 47m (1127 minutes) to watch the complete run of The Familiar of Zero. At a standard pace of 2 hours per day, you will finish the entire series in approximately 10 days. Possible with dedication! Finishing this 18.8-hour series over Saturday and Sunday requires around 9.4 hours of viewing each day.
What is the highest-rated episode of The Familiar of Zero?
The highest-rated episode is Season 1, Episode 3 ("The Subtle Heat's Allure"), which holds an outstanding rating of 8.3/10 based on 6 audience ratings.
Where can you stream or watch The Familiar of Zero?
The Familiar of Zero is available for streaming on Aniverse Amazon Channel, Amazon Video, Filmin, Crunchyroll Amazon Channel. Availability may vary by regional territory, subscription tier, and digital purchase availability.
What is the official age rating for The Familiar of Zero?
The Familiar of Zero has an official content rating of TV-14.
Who are the lead actors in The Familiar of Zero?
The primary ensemble cast includes Rie Kugimiya as Louise Françoise Le Blanc de La Vallière (voice) (age 47), Satoshi Hino as Saito Hiraga (voice) (age 48), Nanako Inoue as Kirche Augusta Frederica von Anhalt Zerbst (voice), Yuka Inokuchi as Tabitha (voice) (age 48).
Ensemble Cast & Current Ages
Lead cast members, their character identities, and current ages calculated from official biographical records:
| Actor | Character | Current Age |
|---|---|---|
| Rie Kugimiya | Louise Françoise Le Blanc de La Vallière (voice) | 47 |
| Satoshi Hino | Saito Hiraga (voice) | 48 |
| Nanako Inoue | Kirche Augusta Frederica von Anhalt Zerbst (voice) | – |
| Yuka Inokuchi | Tabitha (voice) | 48 |
| Yui Horie | Siesta (voice) | 50 |
| Tetsuo Goto | Derflingher (voice) | 68 (deceased) |
| Takahiro Sakurai | Guiche de Grammont (voice) | 52 |
| Mikako Takahashi | Montmorency Margarita la Fère de Montmorency (voice) | 46 |
Editorial Verification & Sources
All production facts, air dates, cast credentials, and streaming metadata for The Familiar of Zero are compiled from official broadcaster archives, TMDB, and Wikidata records. Last verified on September 25, 2026.