- Script
- Hank Chapman
- Pencils
- Bruno Premiani
- Inks
- Sheldon Moldoff
- Colors
- ?
- Letters
- ?
- Genre
- adventure
- Characters
- Sea Devils [Dane Dorrance; Judy Walton; Nicky Walton; Biff Bailey]
- Synopsis
- A mysterious island appears for a single day each century. When the Sea Devils are trapped on the island they must escape before the island disappears again.
- Reprints
- Keywords
- frogmen
Writer credit from the Showcase Presents volume.
- Script
- ?
- Pencils
- ?
- Inks
- ?
- Colors
- ?
- Letters
- typeset
Letters from George Pacinda, Walter Lamia, Steve Lynch, Edward Ismay, Sandy Wilson, Jimmie Pine, Timothy Allen, Philip Lewis, and Linda Weiser.