- Script
- Stan Lee
- Pencils
- Jack Kirby; Steve Ditko (see Notes)
- Inks
- Dick Ayers; Steve Ditko (see Notes)
- Colors
- Stan Goldberg
- Letters
- Artie Simek
- Job Number
- X-419
- First Line of Dialogue or Text
- What's going on, Sue?
- Genre
- superhero
- Characters
- The Fantastic Four [Mister Fantastic [Reed Richards]; the Invisible Girl [Sue Storm]; the Thing [Ben Grimm]; the Human Torch [Johnny Storm]]; the Molecule Man (introduction, origin); the Watcher [Uatu]; The Yancy Street Gang; Alicia Masters
- Synopsis
- The Watcher asks the Fantastic Four to stop a new menace who could destroy the whole universe: the Molecule Man.
- Reprints
- Keywords
- Acme Atomics Corp.; ephemeral sphere; Manhattan; meteor; projecto-image
The third panel on page 17 was redrawn by Steve Ditko.