Dates
- Cover date
- March-April 1968
- On sale
- January 9, 1968
- Pages
- 84
Editions and covers
- Original editionSource ↗
Creators
Stories
- Part 1: The Unknown Supergirl! · 12.5 pages
Superman is ready to announce Supergirl's existence to the world, but she mysteriously loses her powers at the last minute.
- Part Two: Supergirl's Secret Enemy! · 10 pages
Now that Supergurl has lost her super-powers, Linda can be adopted by the Danverses. Kandorian scientist Lesla-Lar uses her tranporter ray to change places with Supergirl and becomes Lex Luthor's secret weapon.
- Part 3: Trapped in Kandor! · 12 pages
Kandorian scientist Lesla-Lar changes places with a de-powered Supergirl using her teleporter ray and begins her plan to destroy Superman.
- Milestones in Supergirl's Life · 1 pages
- Part 4: The Three Red "K" Perils! · 10.5 pages
- Part 5: The Super-Mermaid! · 4 pages
A Red Kryptonite meteor turns Supergirl into a mermaid. She visits Atlantis, where Jerro proposes to her, but neither of them realizes that Lori's sister Lenora is also in love with Jerro.
- Part 6: The World's Greatest Heroine! · 11 pages
Superman reveals Supergirl to the world.
- Part 7: The Infinite Monster! · 11 pages
Supergirl stops a creature from another dimension in her first solo adventure after Superman revealed her to the world.