Dates
- Cover date
- April-May 1961
- On sale
- February 14, 1961
- Pages
- 36
Editions and covers
- Original editionSource ↗
Creators
pencils: Bob Brown, Dick Dillin, Henry Boltinoff, Bernard Baily, Morris Waldingerinks: Bob Brown, Sheldon Moldoff, Henry Boltinoff, Bernard Baily, Tom Nicolosiletters: Ira Schnapp, Stan Starkman, Henry Boltinoff, Milt Snapinnscript: Arnold Drake, Henry Boltinoff, Jack Schiff, Julius Schwartz
Stories
- The Alien Who Stole a Planet · 12.67 pages
The Challengers meet two friendly aliens whose ship is marooned on Earth until they can find the rare element to power it. Another member of their crew turns on them, wanting to return and conquer their home planet.
- Untitled · 0.5 pages
The Doctor's fellow astronaut is happy to hear that their spaceflight is being televised.
- Captive of the Criminal Brain · 1 pages
Professor Hayes carries out an experiment in transferring one mind to another.
- The Beasts from the Fabulous Gem · 12 pages
Hank Roney finds the cursed gem he has been seeking and discovers that it allows him to control two giant creatures. The Challengers have to take back the gem and eliminate the threat of the creatures.
- Animal Time-Sense · 0.5 pages
Characters
Rocky DavisAce MorganRed RyanProf HaleyJune Robbins
Reprinted in
Showcase Presents Challengers of the Unknown (2006), Mighty Comic (1960)