The lives of two dogs, the overly excited Little Dog (the dachshund) and easy-paced Big Dog (the sheepdog). These crazy canines don't know how to fit in the world, and they definitely don't have any know-how. No matter the situation, … Brad Garrett, Mark Schiff, Jim Cummings, Jess Harnell, Tony Jay, Frank Welker, Rob Paulsen Added on HBO 2022-06-26.