Watch Atom: The Beginning Episode 4 “Welcome to Nerima U Festival” online free in HD on Anime4Soul. This episode first aired on May 6, 2017. It is episode 4 of 12. Use the SUB / DUB switch above the player for English subtitles or the English dub, and the language menu for French and Portuguese.

Previous: Atom: The Beginning Episode 3. Next: Atom: The Beginning Episode 5. See all 12 episodes, characters and voice actors on the Atom: The Beginning page.