RADIANT Facts, FAQ & Common Questions
2018 · NHK Educational TV · Status: Ended · Rated: TV-PG
Frequently Asked Questions About RADIANT
Direct, verified answers to the most common queries regarding episodes, renewals, watch order, and streaming availability.
How many seasons and episodes does RADIANT have?
RADIANT has 2 seasons and 42 total episodes, spanning from its premiere on October 6, 2018 to February 26, 2020.
Is RADIANT renewed, ended, or canceled?
RADIANT has concluded its run and is officially ended.
How long does it take to binge watch RADIANT?
It takes 17h 30m (1050 minutes) to watch the complete run of RADIANT. At a standard pace of 2 hours per day, you will finish the entire series in approximately 9 days. Possible with dedication! Finishing this 17.5-hour series over Saturday and Sunday requires around 8.8 hours of viewing each day.
What is the highest-rated episode of RADIANT?
The highest-rated episode is Season 1, Episode 3 ("Day of Departure -Alma-"), which holds an outstanding rating of 8.2/10 based on 3 audience ratings.
Where can you stream or watch RADIANT?
RADIANT is available for streaming on Crunchyroll, Crunchyroll Amazon Channel. Availability may vary by regional territory, subscription tier, and digital purchase availability.
What is the official age rating for RADIANT?
RADIANT has an official content rating of TV-PG.
Who are the lead actors in RADIANT?
The primary ensemble cast includes Yumiri Hanamori as Seth (voice) (age 28), Aoi Yuuki as Mélie (voice) (age 34), Koji Yusa as Dragunov (voice) (age 58), Makoto Koichi as Mister Bobley (voice).
Ensemble Cast & Current Ages
Lead cast members, their character identities, and current ages calculated from official biographical records:
| Actor | Character | Current Age |
|---|---|---|
| Yumiri Hanamori | Seth (voice) | 28 |
| Aoi Yuuki | Mélie (voice) | 34 |
| Koji Yusa | Dragunov (voice) | 58 |
| Makoto Koichi | Mister Bobley (voice) | – |
| Shintaro Ohata | Doc (voice) | 50 |
| Takehito Koyasu | Grim (voice) | 59 |
| Show Hayami | Narration (voice) | 68 |
| Ayane Sakura | Lieselotte (voice) | 32 |
Editorial Verification & Sources
All production facts, air dates, cast credentials, and streaming metadata for RADIANT are compiled from official broadcaster archives, TMDB, and Wikidata records. Last verified on September 25, 2026.