Peewee, a Border collie, competes in a cattle dog trial; Zeke, a Labrador retriever, is a guide dog for a Zen priest; and Ozzy, a Chinese Crested, is a public-relations agent demonstrating how hearing dogs help deaf people.
Featured: Tuffy, a Karelian bear dog in the Canadian Rockies; Lulu, a golden retriever that helps preschoolers with special needs. Also: Wiley, a Border collie, assists the Coast Guard by chasing away sea gulls in Seattle.
Teabag, a rescued greyhound-whippet cross, joins the Rockwood Animals Dog Display team, but must first leap through a ring of fire; Hearing dogs Harris and Barack undergo a certification test; and a Great Pyrenees pup learns to guard a flock of alpacas.
Nikki, a Portuguese water dog, competes at herding fish, retrieving tackle and delivering messages to other ships; Kelsey, an Australian shepherd, entertains at the rodeo; and Aron, a Belgian Malinois that is a skilled scent detector.