Hank is helping the cowboys with the dangerous mission of rounding up a very angry bull when a strange twist of events brings a yellow Labrador onto the scene. The entire ranch quickly becomes enamored with this new addition to the ranch's Security Division. Who wouldn't love a good-natured dog who strikes fear into the hearts of angry bovine, wears a big sloppy grin all day, and adores the ranch kids? Where will Hank fit in now that there is a Perfect Dog on the scene?

Hank sings a little thing called "Happy Dog," and the yellow Labrador sings his story in "Happy's Confession."

When a funny turn of events brings a parrot to the ranch, Hank is not worried. After all, what harm can one copycat bird do? So he decides to go about his business. The only problem is, Loper and Sally May don't seem to appreciate his heeding their requests to bark louder and dig up the flowers. What's really going on here? Hank's not sure, but he's determined to find out