Ep. 190: Atom and friends seek the mysterious capital Mesotamia after a sandstorm reveals a sky hole.
Aired on December 3, 1966

190
Atom and his companions embark on an expedition to locate the enigmatic capital of Mesotamia. During their journey, a sudden sandstorm forces them to discover a hole in the sky, which they believe serves as the entrance to the lost city. The narrative suggests that Mesotamia is an ancient civilization established by extraterrestrial visitors who arrived on Earth two thousand years ago. This premise sets the stage for an adventure involving the search for this hidden society and the exploration of its mysterious origins.
Episodes
- Ep. 186 · Atom and passengers land on a planet with nocturnal plant-eating monsters
- Ep. 187 · Atom Investigates the Mysterious Empty Showcase Labeled Baily at the Robot Museum
- Ep. 188 · Robot Tomson Detects Fake Buddha Statues in Kyoto
- Ep. 189 · Atom and Uran Visit a Film Set and Swap Places with Their Robot Doubles
- Ep. 190 · Atom and friends seek the mysterious capital Mesotamia after a sandstorm reveals a sky hole.
- Ep. 191 · Atom rescues alien prince Roppi and elder attacked in forest
- Ep. 192 · Atom and friends discover Siegfried in Medussa's mansion while seeking eternal youth secrets
- Ep. 193 · Earth Evacuates as Sunspot Heat Rises and a Villain Remains Behind