Four ridiculously silly stories with Henry, Lassie, Murdock, and some surprise guests "Fun at the Vet" For his dad's sixty-fifth birthday, Henry sends his dad to Las Vegas, leaving Henry to take care of his 160-pound dog Murdock. When Lassie and Murdock's game of "What Won't Murdock Eat?" goes horribly wrong, a trip to the emergency vet is in order. And when a crazed snake owner takes the vet hostage, it's up to Henry, Lassie, and...