"Trixie, Daddy and Knuffle Bunny take a trip to the neighborhood laundromat, but their exciting adventure takes an unexpected turn when Trixie realizes something is missing." -- Container.

Trixie can't wait to bring her one-of-a-kind Knuffle Bunny to school and show him off to everyone. But when she gets there, she sees something awful: Sonja has the same bunny. Suddenly, Knuffle Bunny doesn't seem so one-of-a-kind anymore. Chaos ensues until the bunnies are taken away by Ms. Greengrove. After school, Trixie finally gets her beloved bunny back. But in the middle of the night, Trixie realizes something. She has the wrong bunny! Daddy...