Betty falls asleep doing a jigsaw puzzle and finds herself through the looking glass into a modern, urban wonderland. The shrinking potion comes from a "Shrinkola" dispenser. When most of the characters assemble, Betty sings "How Do You Do" to them. But the jabberwock steals Betty away.
You can now watch Betty in Blunderland online on the following streaming providers in the United States.
| Directing | Dave Fleischer | Director |
| Visual Effects | Roland Crandall | Animation Director |
| Production | Max Fleischer | Producer |
| Visual Effects | Roland Crandall | Animation |
| Visual Effects | Thomas Johnson | Animation |
