Ep. 3: Toby the robot faces enslavement in a circus and receives his new name Astro with red boots.
Aired on October 15, 1980

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Toby is held captive by a robot circus owner and compelled to perform manual labor. He forms a friendship with Kathy, a young worker at the circus. Professor Elefun, an associate of Boynton, arrives to retrieve Toby, but the ringmaster refuses to hand him over. Kathy attempts to rescue the boy robot under these difficult circumstances. This episode marks the moment Toby is given the name Astro and acquires his signature red boots. The narrative focuses on the conflict between the captors and the efforts to free Toby, highlighting the bond formed between the enslaved robot and his new friend during this struggle for his freedom.
Episodes
- Ep. 1 · Dr. Boynton creates a robot son named Toby after his real son dies, but a rival robot Atlas causes trouble.
- Ep. 2 · Toby faces rejection while Atlas struggles with criminal training and confronts Walpurgis.
- Ep. 3 · Toby the robot faces enslavement in a circus and receives his new name Astro with red boots.
- Ep. 4 · Astro Boy faces bullying from classmates after being rescued from the circus by Dr. Elefun
- Ep. 5 · Astro confronts Atlas again to thwart his technological thefts and plans to enslave humanity.
- Ep. 6 · Astro Boy and Dr. Elefun visit an animatronic fairytale park after a crash landing
- Ep. 7 · Skunk manipulates a premature Frankenstein robot into a crime spree causing widespread deactivation.