A 12-episode serial in which Tailspin Tommy evades volcanoes, anti-aircraft shells, and time bombs as he foils a plan by corrupt profiteers to steal an island's oil reserves.

A strange animal attack turns a botanist into a bloodthirsty monster.

A senator's brother turns up murdered, and the senator tries to pin the blame on a man he knows is innocent.

Murder results when a group of houseguests converge on a chateau, each plotting to steal a valuable Gutenberg Bible.