Comic Title: Action Comics #331
Publisher: DC (National Periodical Publications, Inc.)
Address: 575 Lexington Avenue, New York, NY
Cover Date: December 1965
On Sale Date: October 28, 1965 Copyright Date October 28, 1965
Source: Library of Congress, Periodicals 1965


Frequency: Monthly
Cover Price: $0.12
Page Count: 32
Editor: Mort Weisinger

Title: "Operation Satan"
Pages: 12

Feature(s):
Supergirl (of Earth-1)

Writer: Leo Dorfman
Artist: Jim Mooney

Reprinted In:
Supergirl:The Silver Age Omnibus Vol. 2 HC (2018)

Feature Character(s)

• Supergirl (last appearance in Action Comics #330; next appearance in Brave and the Bold #63)

Villain(s)

• Drang, the Destroyer (called Dr. Supernatural in this story; last appearance in Action Comics #330; no further appearances)
• Dynar, Voltan, and Raptor (alien criminals; die in this story; no further appearances)

Guest Appearance(s)

• Circe (last appearance in Action Comics #323; next appearance in Superman's Girl Friend Lois Lane #92)

Other Character(s)

• Lux, Multiple-Man, Surya, Strella, and several other interplanetary heroes (last appearance in Action Comics #330; no further appearances)

Cameo Appearance(s)

• Legion of Super-Heroes (pictured on medallions)
• Cosmic Boy (pictured on a medallion)
• Saturn Girl (pictured on a medallion)
• Chameleon Boy (pictured on a medallion)
• Sun Boy (pictured on a medallion)
• Shrinking Violet (pictured on a medallion)
• Comet (in flashback)
• Merlin (pictured on a medallion)

Comments:
This story is continued from the second story of Action Comics #330.

Synopsis:
Trapped on the Purple Planet with various interplanetary heroes, Supergirl tries to defeat Dr. Supernatural. She constructs a time-machine capable of bringing heroes from the past to help. She summons Circe, but the sorceress refuses to interfere with another sorcerer and departs.

The heroes the pretend that Circe has given Supergirl a magic wand, but Dr. Supernatural sees through the ruse. Feeling defeated, several of the heroes decide to join Dr. Supernatural. They give him the idea of using the time-machine to bring legendary criminals to the Purple Planet. The villains plot various evil deeds which strengthen Dr. Supernatural. However, his evil becomes so great it destroys him. Supergirl is then able to escape the planet with the other heroes.