Dog chases bird that grabbed friend and bites leg to save fruend

Before the Seavers leave for a family vacation to San Francisco, they drop off their pets -- Chance, an adventurous American bulldog; Shadow, a wise golden retriever; and Sassy, a cautious cat -- at a friend's ranch. But when the animals start to worry that they've been left for good, the three embark together on a treacherous and thrilling journey to find their way back home through the California wilderness.

A man, adorned with a dog tag reading "Buddy", enters an underground fighting ring against a dog. The two have a vicious fight as various onlookers cheer them on. As the dog bites the man's neck, he shouts "Buddy!", causing the dog to stop. The dog suddenly turns on his handler, and lost dog posters are shown revealing that the dog previously belonged to the man. The dog and the man team up on the handler and presumably kill him.

It's quail-hunting season and Barney goes out to buy a bird dog. He unexpectedly winds up with one that love birds. Barney insists, nonetheless, that the dog find him some game. It comes across a quail and confides in it that he doesn't mean any harm but that Barney does. The dog and bird team up to outfox Barney.