Bull Mastiff pup Boomer rolls into Adventure Bay, eager to show everyone that he's the biggest, loudest, meanest Monster Truck driver ever! How will Ryder and the pups stop Boomer? With all new, spinning, crashing, jumping, and climbing RESCUE WHEELS!

시즌 1・When Willis falls off his horse, siblings James and Janet are forced to return home from their respective careers to help on the family ranch.