Off of Puget Sound, Bill meets a dog who sniffs for whale poop. Then, at Camarillo, California, he meets dogs who keep a sheep ranch moving.

Bill meets a dog who is friends with a cheetah at the Cincinnati Zoo. Then, he meets a helpful companion dog.

Bill meets Texas AandM's mascot. Then, he's in New York to meet a guide dog for a runner.

Bill meets some dogs who rescue people in disasters. He then meets a dog who is the mayor of her town.

Bill hits the beach to meet a surfing corgi. Then, he visits dogs whose noses help bees survive.

Bill meets a troupe of performing stunt dogs. Then, he visits a team of water rescue dogs.

Bill meets dogs who find lost pets. Then, he visits a truffle-hunting dog.

Bill meets a dog who stars in movies. Then, he visits a group of hounds and horses on the hunt.

Bill meets a dog who rescues people in avalanches. Then, he meets six luggage-sniffing beagles.

In Hawaii, Bill meets two dogs who protect birds. Then, he visits three snake-sniffing dogs.