Apple and Onion get lost beneath their floorboards and must find a way out.

This season Apple and Onion are finding adventure and new friends around every corner. With their boundless enthusiasm and wild imaginations, they'll have to defend their roof shack before it's overrun by vermin and brambles, protect their special booth at Pizza's Diner, and try to become one-hit-wonders so they'll never have to work a day in their lives again.