| Issue | #311 |
| Published | August 1963 |
| Cover Price | 0.12 |
| Pages | 36 |
| Editing | Mort Weisinger |
| Notes | Reader suggestions for new Legionnaires include Evolvo Lad. Readers point to the existence of Lightning Man in stories of the adult Legion as proof that Lightning Lad's death can't be permanent, editors admit that he'll be restored in the following issue at the cost of another member's life. |
| Characters | Legion of Substitute-Heroes [Chlorophyll Kid; Fire Lad; Polar Boy; Night Girl; Stone Boy]; Legion of Super-Heroes [Superboy; Shrinking Violet; Cosmic Boy; Saturn Girl; Bouncing Boy; Chameleon Boy; Triplicate Girl; Ultra Boy; Star Boy; Sun Boy; Brainiac 5; Colossal Boy; Element Lad; Invisible Kid; Lightning Lass] |
| Genre | superhero |
| Pencils | Curt Swan |
| Inks | George Klein |
| Letters | Ira Schnapp |
| Notes | Reader suggestions for new Legionnaires include Evolvo Lad. Readers point to the existence of Lightning Man in stories of the adult Legion as proof that Lightning Lad's death can't be permanent, editors admit that he'll be restored in the following issue at the cost of another member's life. |
| Reprinted | in Legion of Super-Heroes Archives, The (DC, 1991 series) #2 |
| Characters | Legion of Substitute-Heroes [Chlorophyll Kid; Fire Lad; Polar Boy; Night Girl; Stone Boy]; Legion of Super-Heroes [Superboy; Shrinking Violet; Cosmic Boy; Saturn Girl; Bouncing Boy; Chameleon Boy; Triplicate Girl; Ultra Boy; Star Boy; Sun Boy; Brainiac 5; Colossal Boy; Element Lad; Invisible Kid; Lightning Lass] (most as projected images) |
| Synopsis | The Legion of Substitute-Heroes tries to fill in for the Legion, but the Legion tells the Subs to disband. |
| Genre | superhero |
| Script | Edmond Hamilton |
| Pencils | John Forte |
| Inks | John Forte |
| Letters | Joe Letterese; Milton Snapinn |
| Editing | Mort Weisinger |
| Notes | Legion of Substitute Heroes stars |
| Reprinted | in Adventure Comics (DC, 1938 series) #500; in Legion of Super-Heroes Archives, The (DC, 1991 series) #2 |
| Characters | Legion of Substitute-Heroes [Chlorophyll Kid; Fire Lad; Polar Boy; Night Girl; Stone Boy]; Legion of Super-Heroes [Cosmic Boy; Saturn Girl; Sun Boy; Chameleon Boy; Bouncing Boy] |
| Synopsis | The Substitutes realize the Legion has been replaced by aliens, chase the aliens away, and save the real Legion. |
| Genre | superhero |
| Script | Edmond Hamilton |
| Pencils | John Forte |
| Inks | John Forte |
| Letters | Joe Letterese; Milton Snapinn |
| Editing | Mort Weisinger |
| Reprinted | in Adventure Comics (DC, 1938 series) #500; in Legion of Super-Heroes Archives, The (DC, 1991 series) #2 |
| Characters | Superbaby; Jonathan Kent; Martha Kent; Zeke Stebbins |
| Genre | superhero |
| Script | Jerry Siegel |
| Pencils | Curt Swan |
| Inks | George Klein |
| Letters | Milton Snapinn |
| Editing | Mort Weisinger |
| Characters | Casey the Cop |
| Synopsis | Casey rescues a little boy and takes him for ice cream. |
| Genre | gag |
| Script | Henry Boltinoff |
| Pencils | Henry Boltinoff |
| Inks | Henry Boltinoff |
| Letters | Henry Boltinoff |