Rot the mutant potato must find a way to face his fear after his big brother, Snot, tells him there may be a dangerous Squirm in the magnificent mud pit he found.

Detective brothers Frank and Joe work to solve a muddy mystery when the spring break Mud Bud Run is canceled due to a frog infestation.

"Bing! Bang! Chugga! Beep! is the latest charming tale from rhyming pair Bill Martin Jr and Michael Sampson. This old car has been everywhere from the backyard to the sky, from the hills to the water. Bouncing between the mud in the ground and the clouds up high, the old car is loved by a clever young boy..." -- Publisher

¡Vuelve Rot, la patata mutante! En esta nueva aventura, Rot encuentra un tentador charco de barro, ¡Que ganas de revolcarse en el! Pero su hermano, Moco, le advierte que en el charco se esconde el peligroso Gusamalo... ¿Podrá Rot vencer sus miedos y darse un bien chapuzón? Rot the mutant potato is back! In this new adventure, Rot finds a tempting mud puddle, he can't wait to roll in it! But his brother, Moco, warns him that the dangerous Worm...

Three trucks go out for a drive, and one gets stuck in the mud.