Season 1
2017 · 12 episodes · 5h 0m in all
Base on Japanese manga series written and illustrated by tetsuro Kasahara, with writing contributions by Makoto Tezuka and Masami Yuki. The series is a prequel to Osamu Tezuka's Astro Boy manga series, depicting the events up until the birth of "Astro Boy". Opening Theme "Kaidoku Funou" is performed by After the Rain". Ending Theme "Hikari no Hajimari" is performed by Yoshino Nanjou.

Episodes

1. Birth of the Mighty Atom
15 Apr 2017 · 25 min
An experiment with A106 doesn't quite go as expected which leaves Hiroshi late for his part-time job and Umataro tending to his wounds.

2. Bewusstsein
22 Apr 2017 · 25 min
Hiroshi and Umataro present at Nerima University for their work on A106. Meanwhile, Ran has some trouble head her way.

3. Pursuing the Respective Leads
29 Apr 2017 · 25 min
An odd inspector stops by looking for a robotic dog, and the whole gang ends up trying to help him find it.

4. Welcome to Nerima U Festival
6 May 2017 · 25 min
Hiroshi and Umataro are struggling to bring in customers with their udon during the school festival. Meanwhile, Ran and Motoko are attacked.

5. Step on it! Maruhige Shipping
13 May 2017 · 25 min
Umataro, Hiroshi, and Six help Motoko move into her new place, but on the way to make the delivery, something goes amiss with the robots in town.

6. Lab 7's Annihilation
20 May 2017 · 25 min
Horoshi and Umataro get in a fight, and both are unwilling to apologize. Motoko tries to reunite the guys by reminding them why they became partners.

7. Ran and Princess Teru
3 Jun 2017 · 25 min
Ran and her teammates are busy preparing for a robot competition when Hiroshi makes a surprise visit to her club. How does Ran's robot do?

8. Robot Wrestling
10 Jun 2017 · 25 min
The robot wrestling tournament is underway, and Six has his hands full with his first challenge. Is he able to overcome it?

9. Six is Unfit to Fight
17 Jun 2017 · 25 min
The robot wrestling tournament continues as Six advances into the semi-finals, yet he doesn't seem to be ready for the next round. What could be wrong?

10. Battle Royal
24 Jun 2017 · 25 min
The ultimate robot battle is here! The faceoff between Dr. Lolo and Umataro is on. Who will come out the victor?

11. A Dialogue
1 Jul 2017 · 25 min
The final showdown between Mars and Six begins. Which robot will come out on top?

12. Beginning
8 Jul 2017 · 25 min
Umataro and Hiroshi try to figure out a way to fix Six, which begs the question: was the Bewusstsein project successful?
Atom: The Beginning Season 1: quick answers
How many episodes are in Atom: The Beginning Season 1?
Season 1 of Atom: The Beginning has 12 episodes, about 5 hours in total.
When did Atom: The Beginning Season 1 come out?
Season 1 premiered on 15 Apr 2017.