Landry has Sam Martin killed. When Tim and Chito find Martin and his son, Chip says Matt Potter was responsible. But when Tim and Chito start their search, no ones knows a Matt Potter.

A widower, visiting the crypt that holds the body of his wife, is accidentally trapped therein. That night he finds that she seems to have been cataleptic, rather than dead, and frees her from her coffin. Things, of course, are not what they seem.

A young man builds a hot rod despite the disapproval of his father, a Juvenile Court judge. Circumstantial evidence points to the innocent teenager when his car is involved in a hit-and-run accident and he must reconcile with his father.

U.S. Marshals "Nevada" Jack McKenzie and "Sandy" Hopkins go undercover to bust a gang of stagecoach robbers in this vintage Western serial. Nevada infiltrates the gang, while Sandy works as a cobbler in town, keeping an ear open for local gossip as they try to flush out the inside man tipping off the crooks.

Tex put the Kern gang away once but they have returned with reinforcements and have take over the town of Red Rock capturing the townsmen and forcing them to work for them in the gold mines. Dave and Tex then organize the ranchers into the Territorial Rangers. After blowing up the mines to keep the gang from getting the gold, they are ready for the showdown between the two sides. Written by Maurice VanAuken

With his assistant, Laura Hutchinson, Dr. David Conway develops a device to advance the fledgling science of earthquake prediction. After forecasting a large trembleor that will rock California within twenty-four hours, Conway cannot persuade the Governor to act. When the prediction proves true and further tests indicate that there are more quakes to come, Conway and Laura seek to perfect their device. Subsequent tests deep within Carlsbad Caverns discover an unknown element—E-112—that is responsible for the earthquakes and threatens to destroy the globe if it ever reaches the surface. The team determines that with only four weeks until Armageddon, the race is on to neutralize the killer element before it takes a devastating toll.