Ep. 172: The Herald Brothers plot to conquer the world using robots controlled by Dr. Herald who captures Atom
Aired on June 25, 1966

172
The Herald brothers are attempting to defeat every robot in the world. Dr. Herald, who is disguised as a robot, is controlling them. He then captures Atom.
Episodes
- Ep. 168 · A sudden earthquake reveals that Newsta Island is actually a UFO
- Ep. 169 · A prehistoric dinosaur from the past is left behind by time travelers
- Ep. 170 · Two Princesses vie for control of a nation, drawing Atom into their political conflict.
- Ep. 171 · The deceased AI inventor Kutcher sends a message to Atom amid public obsession with his legacy.
- Ep. 172 · The Herald Brothers plot to conquer the world using robots controlled by Dr. Herald who captures Atom
- Ep. 173 · Tiny Robot Robotty Requests a Companion from Dr. Ochanomizu Due to Loneliness
- Ep. 174 · Strange vessel appearances prompt Atom to investigate a potential submarine canal beneath Japan.
- Ep. 175 · Robot Wars Part One features Atom confronting the AI Logos threatening global flooding
- Ep. 176 · The second part of the Robot Wars arc features a global crisis.