Atom: The Beginning Facts, FAQ & Common Questions
2017 · NHK G · Status: Ended · Rated: Not Rated
Frequently Asked Questions About Atom: The Beginning
Direct, verified answers to the most common queries regarding episodes, renewals, watch order, and streaming availability.
How many seasons and episodes does Atom: The Beginning have?
Atom: The Beginning has 1 season and 12 total episodes, spanning from its premiere on April 15, 2017 to July 8, 2017.
Is Atom: The Beginning renewed, ended, or canceled?
Atom: The Beginning has concluded its run and is officially ended.
How long does it take to binge watch Atom: The Beginning?
It takes 5h 0m (300 minutes) to watch the complete run of Atom: The Beginning. At a standard pace of 2 hours per day, you will finish the entire series in approximately 3 days. Yes! At 5 hours total, you can comfortably finish this in a single weekend with about 2.5 hours per day.
Where can you stream or watch Atom: The Beginning?
Atom: The Beginning is available for streaming on Amazon Prime Video, Amazon Prime Video with Ads, U-NEXT, dAnime Amazon Channel. Availability may vary by regional territory, subscription tier, and digital purchase availability.
What is the official age rating for Atom: The Beginning?
Atom: The Beginning has an official content rating of Not Rated.
Who are the lead actors in Atom: The Beginning?
The primary ensemble cast includes Takuma Terashima as Hiroshi Ochanomizu (voice) (age 42), Yuichi Nakamura as Umataro Tenma (voice) (age 46), Yuki Inoue as A10-6 (voice) (age 31), Mikako Komatsu as Motoko Tsutsumi (voice) (age 37).
Ensemble Cast & Current Ages
Lead cast members, their character identities, and current ages calculated from official biographical records:
| Actor | Character | Current Age |
|---|---|---|
| Takuma Terashima | Hiroshi Ochanomizu (voice) | 42 |
| Yuichi Nakamura | Umataro Tenma (voice) | 46 |
| Yuki Inoue | A10-6 (voice) | 31 |
| Mikako Komatsu | Motoko Tsutsumi (voice) | 37 |
| Yoshino Nanjo | Maria (voice) | 42 |
| Ayane Sakura | Ran Ochanomizu (voice) | 32 |
| Kengo Kawanishi | Shunsaku Ban (voice) | 41 |
| Mitsuki Saiga | Dr. Lolo (voice) | 53 |
Editorial Verification & Sources
All production facts, air dates, cast credentials, and streaming metadata for Atom: The Beginning are compiled from official broadcaster archives, TMDB, and Wikidata records. Last verified on September 25, 2026.