Ep. 12: Revived Jumbo Robot Remodeled by Villains to Break Skunk Out of Prison
Aired on June 22, 2003

12
In Marine Park, a forgotten robot named Jumbo lies broken until villains remodel him to break Skunk out of prison. Midori, Atom’s teacher, has watched Jumbo her whole life. Skunk’s prison uses a Guardian Pulse device to stop machine escapes, but the old Jumbo remains unaffected. Atom and police attempt to stop the rampaging robot but are hindered by the pulse. Midori and Atom work together to reach Jumbo’s original kind nature while preventing Skunk’s escape. The group strives to restore Jumbo’s former benevolence and ensure the prisoner remains contained despite the villainous modifications.
Episodes
- 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
- Ep. 16 · Robots are abducted by other robots, leading Atom and his squad to an artificial island.