Ep. 11: Atom and Dr. Ochanomizu discover a human boy hidden within a robot circus troupe.
Aired on June 15, 2003

11
Atom and Dr. Ochanomizu visit the town of Bellanotte, where they encounter a robot circus. Atom notices a human boy named Reno among the performers, learning that Reno was an abandoned child raised by the robots. When Reno expresses fear of being separated from his robotic family if the truth is revealed, Atom promises to keep the secret. However, Gustav, the town's don and an enemy of robots, discovers Reno's secret. Gustav fabricates a story claiming the robots kidnapped the child and proceeds to hunt down the troupe with the intent to dismantle them.
Episodes
- Ep. 7 · Dr. Ochanomizu reveals Atom's true origin while Atlas regenerates and heads to the Moon.
- Ep. 8 · Dr. Katō bombs the robotic train, forcing Atom to find it before speed drops or Geoworm collision occurs.
- Ep. 9 · A Frankenstein-like robot escapes a dumping valley and seeks its friend Taku.
- Ep. 10 · Venusian Robots Attack as Dr. Tenma Manipulates Them to Freeze Metro City
- Ep. 11 · Atom and Dr. Ochanomizu discover a human boy hidden within a robot circus troupe.
- Ep. 12 · Revived Jumbo Robot Remodeled by Villains to Break Skunk Out of Prison
- Ep. 13 · Uran's birth and her discovery of a mysterious pterosaur robot in the night sky.
- Ep. 14 · Mini-Atom enters Uran's body to fight a memory-destroying microbot while Dr. Minimini plots to steal Atom's empty shell.
- Ep. 15 · Defend the Artificial Intelligence! / Only a Machine