The only witness to a fatal hit-and-run accident: London, the hobo dog.

An elderly prospector (Keenan Wynn) rejects all offers of aid---he's determined to die alone in the desert. He is found by Hobo who helps him.

London and a friend try to help the Edgemar Girls Home win two Percheron horses at an auction sale.

A medical student tries to strike it rich in the North Woods.

A student rebels against schoolwork and sets off to sea with only Hobo as his crew.

A meek middle-aged bank teller masquerades as Don Juan to rob his own bank. Unless Hobo can prevent a bank robbery.

A publicity-seeking young singer tries to convince police someone attempted to kill her with claims she was the near victim of a strangler - only to become involved with the real thing.

An ex-fighter prevents a holdup in an ice cream parlor.

A fugitive needs London's help.

A Cuban refugee tries to protect his cross-eyed brother from teasing.

London and two detectives attempt to prevent a holdup.

London plays mascot to a race horse.

A pilot tries to save a child who was bitten by a rabid dog.

When London wanders into a Chinese restaurant, the owner of the restaurant, Wu Chang, considers him an omen of good fortune.

Can London help a rodeo rider who has lost his nerve?

London's new friends: two female parachute teachers. Their students: a pair of bank robbers.

A dog has been trained to attack a politician.

A crippled child is taken as hostage by gunmen during an armored car robbery.

A shy store owner gets some help from Hobo in showing up the Sheriff, his rival for a woman, during a manhunt in the woods for a felon.

London must stop a man from killing his business partner.

A wealthy woman incurs her family's wrath when she names London her sole heir.

Hobo protects a young mother-to-be on her way to join her soldier husband.

A young boy tries to prove that his land isn't haunted.

London protects a girl from a purse snatcher---and gets involved in a fur-stealing scheme.

Anita accidentally witnesses a murder.