As a requirement for acceptance to a fraternity, three teams are competing in a scavenger hunt. Some of the players are willing to do anything to win and the Hobo is there to prevent them from going that far.
Contestants continue to put themselves in danger, private property continues to go missing, and Hobo keeps dashing across town trying to right the wrongs done in the name of competition.
A race dog contending for a national championship is stolen by a rival's owner. The Hobo trails the thief to his home, but must outwit a large dog and a human, who is armed with a gun.
An eccentric criminal mastermind uses high-tech gadgets and a dog to perform heists. When he has designs on a military laser, the Hobo sabotages the operation.
The Hobo discovers a small aircraft crashed in a forest in the wilderness. All passengers and crew survive the crash, but some are seriously wounded and the radio doesn't work.
Search and rescue is dispatched, but without a working emergency transmitter, the plane is difficult to find. Some of the more seriously injured passengers' conditions worsen and another turns out to be a diabetic, short on insulin.
A TV reporter and a cryptozoologist discover the hobo when researching archival footage of his many adventures and seek to trap him. But since the prevailing assumption is that there are many dogs of his kind, there is talk of dissecting him!
Hobo continues to amaze the ambitious humans who are stalking him and must use all of his super-canine cunning not only to evade capture, but also to keep his secret.
Two bootleggers working at an orchard steal their employers apples and make alcohol with them. When they setup an honest colleague, who is short on English, the Hobo moves to expose the entire operation and the crooked employees.
