A student rebels against schoolwork and sets off to sea.
An elderly prospector rejects all offers of aid---he's determined to die alone in the desert.
A bank teller masquerades as Don Juan to rob his own bank.
A medical student tries to strike it rich in the North Woods.
A singer tries to convince police someone attempted to kill her.
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.
The owner of a restaurant considers London an omen of good fortune.
The only witness to a fatal hit-and-run accident: London, the hobo dog.
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 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 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.
A deaf boy and his dog are kidnapped.
Eloise Tanksley defies her family and names London her heir.
Hobo helps find a missing baby.
A lumberjack leads a strike---and the strike leads him into a crooked logging contract.
London saves night-club singer Felicia Swift from an underworld gunman.
London is the only witness to a near-fatal shooting of a police officer.