When an android replica of a boy is rejected by his aggrieved creator, he goes off to find his own identity in an adventure that would make him his time's greatest hero.

Ham Egg: Stop! The Laws of Robotic! You can't hurt a human! It's been that way for 50 years!
Zog: I'm old school.
Astro Boy: [to Dr. Elefun] You know, I tried to find my place in the world. I - I thought I found it, but I guess fitting in can be a lot more complicated than it seems, huh?
Dr. Tenma: We have to go.
Astro Boy: This is it. This is what I was created for. This is my destiny.
Dr. Tenma: Toby, now!
Astro Boy: I'm sorry but this is who I am. Onward and upward... Dad.
Dr. Elefun: Everybody has their destiny, Toby.
Astro Boy: Didn't you hear him? I'm not Toby.
Astro Boy: I was made ready
Astro Boy: What? I got machine guns... in my butt?