Comic Title: Flash #131
Publisher: DC (National Periodical Publications, Inc.)
Address: 575 Lexington Avenue, New York, NY
Cover Date: September 1962
On Sale Date: July 19, 1962 Copyright Date July 19, 1962
Source: Library of Congress, Periodicals 1962

Frequency: Monthly, with the exception of January, April, July and October
Cover Price: $0.12
Page Count: 32
Editor: Julius Schwartz

Title: "Captives of the Cosmic Ray"
Pages: 25

Feature(s):
Flash (Barry Allen of Earth-1)

Writer: John Broome
Penciller: Carmine Infantino
Inker: Joe Giella

Reprinted In:
Flash #178 (1968)
DC Special Blue Ribbon Digest #2 (1980)
Flash Archives Vol. 4 HC (2006)
Showcase Presents:The Flash Vol. 2 TPB (2008)
Green Lantern Chronicles Vol. 3 TPB (2010)
Flash Omnibus Vol. 1 HC (2014)
Flash:The Silver Age Vol. 2 TPB (2017)

Feature Character(s)

• Flash (last appearance in Justice League of America #13; next appearance in Justice League of America #14)

Guest Star(s)

• Green Lantern (last appearance in Green Lantern #15; next appearance in Justice League of America #14)

Supporting Character(s)

• Iris West (last appearance in Flash #129; next appearance in Flash #132)

Villain(s)

• The Myrmitons (Mponos named; no further appearances)

Guest Appearance(s)

• Carol Ferris (last appearance in Green Lantern #15; next appearance in Green Lantern #16)
• Tom Kalmaku (last appearance in Green Lantern #15; next appearance in Green Lantern #16)
• Terga Kalmaku (last appearance in Green Lantern #15; next appearance in Green Lantern #24)

Synopsis:
While Barry Allen is vacationing in Coast City, an alien ship flys over the area. Barry and his friend Hal Jordan chase the ship as Flash and Green Lantern. A yellow beam strikes Flash and takes him aboard the ship. Green Lantern follows it to an unknown planet. The two heroes are attacked by the planet itself but manage to escape and return to Earth.

When they arrive on Earth, Flash and GL discover the planet has been invaded by the Myrmitons. The alien being hold the world hostage unless the heroes surrender. Flash and GL agree to give up their powers, but Flash devises a trick to fool the invaders.

The Myrmitons realize that they have been tricked, but the heroes have already made their way to the base of the villains. Flash disables the machines that were threatening the population while GL captures the aliens. With the invasion thwarted, Flash and GL return to their civilian identities.