| 0 | Multiple Mouth McCardy | cover | 1 | pencils: Wally Wood; inks: Wally Wood | |
| 1 | Brain Creature | illustration | 1 | pencils: Basil Wolverton; inks: Basil Wolverton | |
| 2 | Welcome to Plop! | foreword, introduction, preface, afterword | 1 | pencils: Sergio Aragonés; inks: Sergio Aragonés | Cain; Abel |
| 3 | The Poster Plague! | comic story | 7 | script: Steve Skeates; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 4 | The Gourmet | comic story | 6 | script: Steve Skeates; pencils: Bernie Wrightson; inks: Bernie Wrightson | |
| 5 | Depressed Elephant | comic story | 5 | script: Steve Skeates; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 6 | Wednesday's Child | comic story | 5 | script: Marv Wolfman; pencils: Wally Wood; inks: Wally Wood | |
| 7 | The Showdown Sonata | comic story | 3 | script: Lee Marrs; pencils: Lee Marrs; inks: Lee Marrs | |
| 8 | The Last Laugh! | comic story | 7 | script: Steve Skeates; pencils: Frank Robbins; inks: Frank Robbins | |
| 9 | The Lawn That Devoured Cleveland | comic story | 7 | script: David Michelinie; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 10 | Super Plops | comic story | 3 | pencils: Murphy Anderson; inks: Murphy Anderson | |
| 11 | The Killer Kind! Or... Please Leave My Ants Alone! | comic story | 6 | script: Jack Oleck; pencils: David Manak; inks: David Manak | |
| 12 | The Uninvited Guest! | comic story | 3 | script: Steve Skeates, John Jacobson; pencils: Bill Draut; inks: Bill Draut | |
| 13 | The Secret Origin of Grooble Man! | comic story | 4 | script: Steve Skeates, John Jacobson; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 14 | Old Butterfly Story | comic story | 2 | script: Steve Skeates; pencils: Frank Robbins; inks: Frank Robbins | |
| 15 | Cain from House of Mystery | foreword, introduction, preface, afterword | 1 | pencils: Mike Kaluta; inks: Mike Kaluta | |
| 16 | Trick or Treat | comic story | 2 | pencils: Sid Greene; inks: Sid Greene | |
| 17 | A Fate Worse Than Death | comic story | 4 | script: Sergio Aragonés; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 18 | The Ultimate Weapon! | comic story | 2 | script: Steve Skeates, Michael Pellowski; pencils: Frank Thorne; inks: Frank Thorne | |
| 19 | The Ultimate Freedom | comic story | 8 | script: Coram Nobis; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 20 | Prescription Plops | comic story | 2 | | |
| 21 | Switch Ending | comic story | 3 | script: Jack Oleck; pencils: David Manak; inks: David Manak | |
| 22 | Moment of Decision! | comic story | 6 | script: Arnold Drake; pencils: Bill Draut; inks: Bill Draut | |
| 23 | What Are Little Ghouls Made of? | comic story | 3 | script: E. Nelson Bridwell; pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 24 | The King of the Ring | comic story | 6 | script: Wally Wood; pencils: Wally Wood; inks: Wally Wood | |
| 25 | Laughing People and Creatures | illustration | 1 | pencils: Sergio Aragonés; inks: Sergio Aragonés | |
| 26 | Plop! | foreword, introduction, preface, afterword | 1 | pencils: Basil Wolverton; inks: Basil Wolverton | |