The pups have built an awesome race track and are ready to be the pit crew for their race hero. But when the legendary racer is unable to drive, he calls on his biggest fan-pup Marshall to t... Read allThe pups have built an awesome race track and are ready to be the pit crew for their race hero. But when the legendary racer is unable to drive, he calls on his biggest fan-pup Marshall to take the wheel and race in his place.The pups have built an awesome race track and are ready to be the pit crew for their race hero. But when the legendary racer is unable to drive, he calls on his biggest fan-pup Marshall to take the wheel and race in his place.