| Issue | #231 |
| Published | September 1977 |
| Frequency | monthly |
| Cover Price | 0.60 USD |
| Pages | 52 |
| Editing | Denny O'Neil (Story Editor) |
| Characters | Legion of Super-Heroes [Superboy [Clark Kent]; Mon-El; Lightning Lad; Saturn Girl]; Fatal Five [Validus; Emerald Empress; Persuader; Tharok; Mano] |
| Genre | Superhero |
| Pencils | Mike Grell (signed) |
| Inks | Mike Grell (signed) |
| Reprinted | in Super Hero Album (K.G. Murray, 1976 series) #9 |
| Characters | Legion of Super-Heroes [Karate Kid; Princess Projectra; Superboy; Brainiac 5; Sun Boy; Element Lad; Colossal Boy; Mon-El; Shadow Lass; Saturn Girl; Ultra Boy]; Fatal Five [Validus; Tharok; Emerald Empress; Persuader; Mano] |
| Synopsis | As the Legion attempts to evacuate the planet Mordan before its star goes nova, they are confronted by the Fatal Five who want the inhabitants of Mordan to be converted into priceless energite when their star explodes, and have taken Karate Kid and Princess Projectra hostage to make sure the Legion doesn't interfere. |
| Genre | Superhero |
| Script | Paul Levitz |
| Pencils | James Sherman |
| Inks | Jack Abel |
| Colors | Liz Berube |
| Reprinted | in Super Hero Album (K.G. Murray, 1976 series) #9 |
| Characters | Legion of Super-Heroes [Superboy; Colossal Boy; Ultra Boy; Saturn Girl; Shadow Lass; Mon-El; Brainiac 5; Sun Boy; Element Lad; Karate Kid; Princess Projectra]; Fatal Five [Mano; Validus; Persuader; Emerald Empress; Tharok] |
| Synopsis | After delaying the Legion's efforts to save the inhabitants of Mordan, the Fatal Five regroup on Tharok's ship. The Legion mounts a sneak attack on the ship and tricks Tharok into revealing where the control for the device causing the star to go nova is. But when the Fatal Five is subdued, Tharok causes the ship to self-destruct. The Legion escapes the ship, leaving the Fatal Five behind, but Superboy is certain they will meet them again. |
| Genre | superhero |
| Script | Paul Levitz |
| Pencils | Mike Netzer |
| Inks | Jack Abel |
| Colors | Liz Berube |
| Notes | Originally intended for #232 before the title went to giant-size. There are no credits on this story, so Netzer uncredited on item. Artist contacted GCD to correct the credit April 2008. |
| Reprinted | in Super Hero Album (K.G. Murray, 1976 series) #9 |
| Letters | typeset |
| Letters | typeset |
| Notes | Short bios of half of the Legion members. |