A wealthy woman announces that she's leaving her money to her dog.

Two brothers compete in a bike race to try to earn money for their mother's birthday.

A seismologist takes his family along on a field assignment, where they are threatened by impending earthquakes of which only the Hobo appears to be fully aware.

The quakes continue to imperil the now separated members of the family and an armed poacher who prefers his privacy only adds to the danger.

The biggest quake of them all strikes and causes a cave-in, trapping Marti with the poacher.

A boy with a leg injury has his heart set on buying a pure-bred dog, but needs to raise the money fast, so the Hobo helps him with a dog-sitting service. This episode was written by Charles Eisenmann, the owner and trainer of London and the other German Shepherds who portrayed Hobo.

The Hobo must escape from a dog catcher's van and round up several unruly dogs which quickly bring havoc to wherever they roam. This episode was written by Charles Eisenmann, the owner and trainer of London and the other German Shepherds who portrayed Hobo.