Tim Allen and Richard Karn challenge the Makers to put their best paw forward by creating the ultimate doghouse. But before they can unleash their perfect pooch palaces, they must first prove their K9 construction prowess by building a functioning doggy-door. Which maker will be crowned best-in-show while the rest are left barking up the wrong tree?

Tim Allen and Richard Karn know a few things about shouldering the load but when the load gets too heavy, the shoulders can use a break. That's why the guys are challenging the makers to build the ultimate mini dump truck complete with a claw capable of both grabbing a log and crushing a garbage can. Which maker will create the winning dump truck to haul in the cash?