Judge Roy Bean brings his own version of the law to the Old West town of Langtry in Texas by practicing unusual methods.

It's 1865 and the telegraph is heading west. George Crane, wanting to keep law and order out of his territory, is out to stop the construction. The engineer on the job is Ken Mason and he is the grandson of Zorro. As Crane sends his men or Indians to stop the work, Mason repeatedly puts on the Zorro costume and rides to the rescue in this 12-chapter serial.

A twelve part serial following the adventures of the masked vigilante Judex as he fights against criminals led by the corrupt banker Favrauxom.

Dr. John Meredith has been driven from civilization by the criminal activities of his twin brother Bradley Meredith. With his infant daughter, he settles in the African jungle, where his ability to cure the native ills has resulted in his virtual control of the Masamba tribes, who possess vast diamond mines coveted by a gang of crooks. They use Shamba, a witch doctor jealous of Dr. Meredith's influence over the tribe, to further their schemes. They lure Dr. Meredith away from the jungle, and he is murdered by "Slick" Latimer. The natives believe that a sacred amulet is the secret of Dr. Meredith's power, and Shamba attempts to kill Nyoka, Meredith's now-grown-up daughter, to obtain the amulet (which actually contains the secret to the entrance of the Caves of Nakros). Jack Stanton rescues her and assists her in her efforts to recover the amulet. Latimer works with Shamba, and with Bradley Meredith, who poses as his murdered-brother so successfully that even Nyoka does not realize the deception.

American, British and Chinese secret agents battle the Japanese Black Dragon Society, a secretive ring that smuggles enemy agents into the U.S. disguised as mummies.

Girl looking for father who disappeared years before in a jungle, finds herself battling greedy civilized people and savages alike.