| Issue | #20 |
| Published | Fall 1945 |
| Cover Price | 0.10 USD |
| Pages | 52 |
| Editing | Sheldon Mayer; Ted Udall (assistant editor); Julius Schwartz (assistant editor) |
| Notes | M. C. Gaines name removed from indicia at last minute (blank space left). |
| Characters | The Flash; Winky; Blinky; Noddy |
| Genre | superhero |
| Pencils | Martin Naydel (signed) |
| Inks | Martin Naydel (signed) |
| Characters | The Flash [Jay Garrick]; Winky; Blinky; Noddy |
| Synopsis | While watching through a telescope one evening, Jay Garrick notices something weird about a certain painting he is viewing, but that doesn't hold a candle to the world the Three Dimwits land on after studying the mysterious art of "Yogism." |
| Genre | superhero |
| Script | Gardner F. Fox |
| Pencils | Martin Naydel |
| Inks | Martin Naydel |
| Notes | Writer credit by Craig Delich 3/03. Some info and synopsis added by Craig Delich 8-22-09. |
| Characters | Mutt; Jeff |
| Genre | humor |
| Script | Al Smith [as Bud Fisher] (signed) |
| Pencils | Al Smith [as Bud Fisher] (signed) |
| Inks | Al Smith [as Bud Fisher] (signed) |
| Letters | Al Smith |
| Notes | Newspaper reprints. |
| Characters | The Flash [Jay Garrick]; Winky; Blinky; Noddy; Curly Carson (villain) |
| Synopsis | The Three Dimwits acts as intermediaries between a crook named Curly Carson and a scientist who has discovered the secret to the "Fountain of Youth"! |
| Genre | superhero |
| Script | Gardner F. Fox |
| Pencils | Martin Naydel |
| Inks | Martin Naydel |
| Notes | Writer credit by Craig Delich 3/03. Some info and synopsis added by Craig Delich 8-22-09. |
| Genre | adventure |
| Script | Jack Miller [as Jay Marr] (signed) |
| Letters | typeset |
| Characters | Mutt; Jeff |
| Genre | humor |
| Script | Al Smith [as Bud Fisher] (signed) |
| Pencils | Al Smith [as Bud Fisher] (signed) |
| Inks | Al Smith [as Bud Fisher] (signed) |
| Letters | Al Smith |
| Notes | Newspaper reprints. |
| Characters | The Flash [Jay Garrick]; Winky; Blinky; Noddy |
| Synopsis | Winky, Blinky and Noddy decide to join a school for kids, unaware that it has been taken over by a bunch of crooks who are intent with breaking out. |
| Genre | superhero |
| Script | Gardner F. Fox |
| Pencils | Martin Naydel |
| Inks | Martin Naydel |
| Notes | Writer credit by Craig Delich 3/03. Some info and synopsis added by Craig Delich 8-22-09. |