The best Warren Hull’s action movies

When the plane owned by the "Yukon and Columbia Mail Service" crashes, RCMP Sergeant Renfrew (James Newill) and Constable Kelly (Dave O'Brien) suspect murder. Their suspicions are confirmed when Renfrew finds the control stick has been jammed, forcing the plane to fly in one direction until the gas ran out. Mine owner Louise Howard (Louise Stanley) reports that her superintendent is missing. The Mounties find him murdered and that too has been made to look like an accident. A new mail service pilot, Bill Shipley (Warren Hull), arrives. He had gone to training school with Renfrew but had been cashiered for misconduct. The Mounties discover that Raymond (Karl Hackett), who had been working for Louise, really owns the flying line managed by Yuke Cardoe (William Pawley.) They find proof that all the gold from the mine isn't being turned over to Louise, and suspect that Raymond and Yuke are stealing the gold and shipping it to Seattle by plane.

Pulp hero "The Spider" seeks to destroy all criminals. In this serialized adventure, he battles The Octopus, who intends to replace the government of the United States.

Reporter Terry Brewer goes to the Los Angeles airport to say goodbye to his sweetheart, airline hostess Rita Moore. He notices G-Man Mike Phelan among the passengers and assuming Phelan is on the trail of a criminal, decides to go along to get a story.

The evil and masked "Gargoyle" is sabotaging all of America's industrial plants. It is up to the Spider to save the country.

A man accused of planning a prison break turns the tables on escaped cons by leading the group into the desert.

Mandrake and his team attempt to prevent "The Wasp" from stealing and using a new Radium invention.

A recently retired fire captain suffers from boredom, until one of his friends is killed battling an arson fire. It becomes his purpose in life to track down the arsonist. As he gets closer to finding the killer, things become dangerous for him and his family.

After causing his friend's death, an animal trainer marries the man's daughter to atone.

Feature version of the American serial film of the same name, edited for exhibition overseas only, never exhibited in the USA in any medium, and evidently a lost film.

Feature version of the American serial film, produced for export only, never exhibited in the USA, and believed to be a lost film.