Lee Powell

A mysterious plague, the Purple Death, ravages the earth. Dr. Zarkov, investigating in his spaceship, finds a ship from planet Mongo seeding the atmosphere with dust. Sure enough, Ming the Merciless is up to his old tricks. So it's back to Mongo for Flash, Dale, and Zarkov.

In 1865, Captain Mark Smith of the Confederate Army leads a band of deserters to conquer Texas and rule it as a dictator. In one of his first actions, he captures and assumes the identity of Texas' new Finance Commissioner, Colonel Marcus Jeffries, after having the real man murdered. When a contingent of Texas Rangers enters the territory, Snead, one of Smith's men, leads them into an ambush by Smith's "troopers". The Rangers are apparently wiped out, although one injured survivor is left. The survivor, nursed back to health by Tonto, swears to avenge the massacre and defeat "Colonel Jeffries" and his men.

Flash Gordon, Dale Arden and Dr. Zarkov return to the planet Mongo for an antidote to the Purple Death, which wreaking destruction on Earth. However, Ming the Merciless has other plans for them.

A reporter runs from charges by a corrupt politician only to face them years later.

Two marine lieutenants battle a masked would-be world conqueror who uses electricity as a weapon.

In this western, a frontier detective disguised as an entertainer performs for the leader of an outlaw gang. At the same time, he learns the whereabouts of the outlaws' hideout. Unfortunately, his true identity is revealed and he must escape if he is to bring the gang to justice.

Tom Cameron is searching for the outlaws who ambushed a wagon train, murdered his parents and stole the deed to their land. Though he was only a child at the time, he vividly remembers the scar on the ringleader's face -- and Tom will stop at nothing until he brings him to justice … and exacts vengeance.

A ring of cattle thieves uses short-wave radio to communicate with each other. A trio of range detectives must find a way to capture the gang.