- Script:
- Gardner Fox
- Pencils:
- Carmine Infantino
- Inks:
- Bernard Sachs
- Colors:
- ?
- Letters:
- ?
- Genre:
- science fiction
- Characters:
- Paul Dover; Ogar
- Synopsis:
- A tribe of Neanderthals under the influence of a glowing red comet develop super intelligence and eventually teleport themselves to another dimension. Anthropologist Paul Dover discovers their ancient dwelling place and is present when Ogar teleports back to Earth. Paul must defeat Ogar and stop the invasion.
- Reprints:
Cover story. Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (April 2007).
- Script:
- Gardner Fox
- Pencils:
- Sid Greene
- Inks:
- Sid Greene
- Colors:
- ?
- Letters:
- ?
- Genre:
- science fiction
- Characters:
- Tim Carey; Cathann Simms
- Synopsis:
- The vacation package tour promises the time of their lives, which Tim and Cathann believe when they wake up on the planet Tyana of Procyon. Then they learn it's only the first step before an invasion!
Pencil and inks credits, and page count confirmed from Julius Schwartz's editorial records, provided by DC Comics, August 2008.
- Script:
- John Broome
- Pencils:
- Murphy Anderson
- Inks:
- Murphy Anderson
- Colors:
- ?
- Letters:
- ?
- Genre:
- science fiction
- Characters:
- Atomic Knights [Gardner Grayle; Douglas Herald; Marlene Herald; Bryndon; Wayne Hobard; Hollis Hobard]
- Synopsis:
- The Atomic Knights use gliders to fly all the way across the continent to Los Angeles.
- Reprints: show reprint note before migration
Pencil and inks credits, and page count confirmed from Julius Schwartz's editorial records, provided by DC Comics, August 2008.