A scientist invents the portable hole, only to have a thief steal his samples to go on a crime spree.
| Actor | Role |
|---|---|
 Mel BlancProf. Calvin Q. Calculus, other voices | Prof. Calvin Q. Calculus, other voices |
 Bea BenaderetGertrude | Gertrude |
 Robert C. BruceNarrator | Narrator |