A student rebels against schoolwork and sets off to sea with only Hobo as his crew.
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.
A meek middle-aged bank teller masquerades as Don Juan to rob his own bank. Unless Hobo can prevent a bank robbery.
A medical student tries to strike it rich in the North Woods.
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.
When London wanders into a Chinese restaurant, the owner of the restaurant, Wu Chang, considers him an omen of good fortune.
London and a friend try to help the Edgemar Girls Home win two Percheron horses at an auction sale.
The only witness to a fatal hit-and-run accident: London, the hobo dog.
London's new friends: two female parachute teachers. Their students: a pair of bank robbers.
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.
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.
London protects a girl from a purse snatcher---and gets involved in a fur-stealing scheme.
A trader kidnaps a deaf-mute Indian boy and his cougar-hunting dog.
An unemployed ventriloquist (Edgar Bergen with his famed trio of dummies) helps London to escape the dog catcher and London in turn helps get him permanent employment.
A lumberjack leads a strike---and the strike leads him into a crooked logging contract.