| Issue | #337 |
| Published | May 1966 |
| Frequency | Monthly; (semi-monthly, March) |
| Cover Price | 0.12 USD |
| Pages | 36 |
| Editing | Mort Weisinger |
| Notes | Copyright © National Periodical Publications, Inc., 1966. |
| Genre | superhero |
| Pencils | Curt Swan |
| Inks | George Klein |
| Genre | superhero |
| Script | Leo Dorfman |
| Pencils | Al Plastino |
| Inks | Al Plastino |
| Reprinted | in Best of DC, The (DC, 1979 series) #8 |
| Characters | Supergirl [Kara Zor-El]; Joan; Dragomonsters; Ant-Men |
| Synopsis | While Supergirl is helping NASA test a spacesuit her space capsule is sucked into a "Warp Stream" and crashes on the planet Lumal. Lumal has a green sun and Supergirl has no powers. |
| Genre | superhero |
| Script | Otto Binder |
| Pencils | Jim Mooney |
| Inks | Jim Mooney |
| Reprinted | in Superman Family (DC, 1974 series) #170 (April-May 1975) |