- Script
- Robert Bernstein
- Pencils
- Al Plastino
- Inks
- Al Plastino
- Colors
- ?
- Letters
- ?
- Genre
- superhero
- Characters
- Lois Lane; Superman [Clark Kent / Kal-El]; Interplanetary Circus
- Synopsis
- An Interplanetary Circus shows up in Metropolis and tries to force Superman to join their travelling circus.
- Reprints
Credits from GCD listing for the reprint.
- Script
- Mort Weisinger
- Pencils
- ?
- Inks
- ?
- Colors
- ?
- Letters
- typeset
Letters from Alan Driefus, Richard Schwartz, Ernest Fischer, David Bibby, Robert Grisan, Rick Wood, David Jennings, Jon Ingersoll, Bestor Cooper, Edward Malinowski, Raul Albert, Ruth McClean, and Tim Horan.
- Script
- Otto Binder (sourced)
- Pencils
- Curt Swan
- Inks
- Sheldon Moldoff
- Colors
- ?
- Letters
- ?
- Genre
- superhero
- Characters
- Bizarro No. 1; Brainiac; Krypto; Lois Lane; Lana Lang; Lori Lemaris; Lex Luthor; Mr. Mxyzptlk; Jimmy Olsen; Supergirl [Kara Zor-El]; Superman [Clark Kent / Kal-El]; Bizarro-Perry White; Curt Swan (cameo); Harry Donenfeld (cameo)
- Synopsis
- Everything in Superman's life suddenly changes. Lori Lemaris is no longer a mermaid. Supergirl reveals herself to the world. Perry White has become a Bizarro, and many more.
- Reprints
- Keywords
- green kryptonite; Kandor; red kryptonite
The Great Boo-Boo Contest; tons of intentional errors, April Fool's Joke