Astro Boy

The Deadly Flies (1x23)

Air date: Jun 04, 1963

A mysterious epidemic grips the city! Everywhere, men and women drop suddenly into a nameless coma. What causes the affliction? Scientists are baffled by the disease! Even gifted Doctor Elefun of the famed Institute of Science is at a loss until Astro Boy-quite by accident-discovers a strange species of horse-fly near the names of various victims.