I'm the one with the computer mind, Element Lad. And it's twelfth-level effectors have come to an inescapable conclusion: Earth is doomed. 
Superboy and the Legion of Super-Heroes #242 is an issue of the series Superboy and the Legion of Super-Heroes (Volume 1) with a cover date of August, 1978.
Synopsis for "Startarget: Earth"
While part of the Legion fight the Khunds in outer space, the rest prepare for the U.P. / Dominators summit on Weber's World.
Appearing in "Startarget: Earth"
Featured Characters:
Antagonists:
- Mordru (Behind the scenes)
- Dark Circle (Behind the scenes)
- Khunds
- Warlord Garlak (Mind-Controlled)
- Resource Raiders (Flashback only)
Other Characters:
- Ambassador Relnic
- Ontiir of Tsuron
- Consul Gldran
Locations:
Items:
- Legion Flight Rings
- Telepathic Plugs
Vehicles:
- Auxiliary Craft
- Drone Ships
- Legion Cruiser
Synopsis for "Girls' Night Out"
A night out for four female Legionnaires is disrupted by the appearance of a looting terrorist band.
Appearing in "Girls' Night Out"
Featured Characters:
Antagonists:
- Deputy Commander Ilni Cerrel
- thieves
Locations:
- Metropolis
- City Star Restaurant
Items:
Notes
- Also contains a text story, "Magic and the Legion, Part 2: We're Off to See the Wizards" by Len Rosenberg.
See Also
- Cover gallery for the Superboy and the Legion of Super-Heroes series
- Images from Superboy and the Legion of Super-Heroes Vol 1 242