| Issue | #211 |
| Published | September 1975 |
| Cover Price | 0.25 USD |
| Pages | 36 |
| Editing | Murray Boltinoff |
| Notes | Cover lettering credit from Brian Lamken via the Error Tracker (October 16, 2008). |
| Characters | Legion of Super-Heroes [Superboy; Element Lad; Sun Boy; Chemical King; Light Lass; Shadow Lass (vignette); Karate Kid (vignette); Phantom Girl (vignette); Brainiac 5 (vignette); Mon-El (vignette); Saturn Girl (vignette)]; Roxxas |
| Genre | Superhero |
| Pencils | Mike Grell |
| Inks | Mike Grell |
| Letters | Gaspar Saladino |
| Notes | Cover lettering credit from Brian Lamken via the Error Tracker (October 16, 2008). |
| Reprinted | in Legion of Super-Heroes Archives, The (DC, 1991 series) #11 |
| Characters | Legion of Super-Heroes [Sun Boy; Chemical King; Element Lad; Star Boy; Light Lass; Superboy; Saturn Girl; Cosmic Boy; Brainiac 5; Ultra Boy; Star Boy]; Roxxas; Gorra |
| Synopsis | Element Lad tracks Roxxas to Trom and plans to execute him, but Chemical King prevents him from making the ultimate mistake. |
| Genre | Superhero |
| Script | Jim Shooter |
| Pencils | Mike Grell |
| Inks | Mike Grell |
| Letters | Ben Oda |
| Notes | Lettering credit from reprint in Legion Archives. |
| Reprinted | in Legion of Super-Heroes Archives, The (DC, 1991 series) #11 |
| Characters | Legion of Super-Heroes [Brainiac 5; Cosmic Boy; Superboy; Shadow Lass]; Cosmic Boy imposter; Shadow Lass imposter; Legion of Substitute-Heroes [Fire Lad; Stone Boy; Chlorophyll Kid] |
| Synopsis | Two imposter Leginnaires ransack the old Legion clubhouse to find a gem they hid years ago, but they run into the Legion of Substitute-Heroes who have come to claim the headquarters and make it their own. |
| Genre | Superhero |
| Script | Cary Bates |
| Pencils | Mike Grell |
| Inks | Mike Grell |
| Letters | Joe Letterese |
| Notes | Lettering credit from reprint in Legion Archives. |
| Reprinted | in Legion of Super-Heroes Archives, The (DC, 1991 series) #11 |