Bugs Bunny's rabbit hole floods, causing him to float to the laboratory of an evil scientist who wants to use his brain for a robot.
| Actor | Role |
|---|---|
 Mel BlancBugs Bunny / Rudolph (voice) | Bugs Bunny / Rudolph (voice) |
| JJohn T. SmithEvil Scientist (voice) (uncredited) | Evil Scientist (voice) (uncredited) |