A scientist uses an earthquake machine to threaten the city, and only Superman can stop his extortion plan!

World War I ace Dick Courtney derides the leadership of his superior officer, but he soon is promoted to squadron commander and learns harsh lessons about sending subordinates to their…

Captain Maurice de Florimont, a French Army intelligence officer, is captured by Arab nationalists while on an espionage mission. His sweetheart Diane Duval is also taken prisoner. Both are tortured…

American racketeer Jimmie Dean travels to England, where he assumes the identity of a Canadian whom he has been falsely accused of murdering. Jimmie is then forced to join the…

A scientific expedition happens to discover that gold exists on Tarzan’s escarpment. The villainous Medford and Vandermeer kidnap Jane and Boy to extort from Tarzan the location of the gold.

The Wrecker wrecks trains on the L & R Railroad. One of his victims is Larry Baker’s father. Baker wants to find the evildoer, among a host of suspects, but…

On a volcanic island near the Kingdom of Hetvia rules Count Dakkar, a benevolent leader and scientist who has eliminated class distinction among the island’s inhabitants. Dakkar, his sister Sonia…

Filmed in the Sierra Nevada mountains near Sonora, California, this Universal serial is Universal’s 40th sound-era serial. Eagle Scout Bruce Scott, leader of Martinsville Troop Number One, and his pack…

Avery DuPoys is a wealthy businessman, organising a race. He meets one of the competitors of the race, who is in love with DuPoys’s daughter. Another competitor crashes into the…

A mysterious master criminal known as The Voice plots with his gang to sabotage the Milesburg Oil Company, but the rightful heir has a secret army of her own to…

The Marshal sends John Weston to a rodeo to see if he can find out who is killing the rodeo riders who are about to win the prize money. Barton…

Two Marine pilots vie for romance and glory.