Michael Conrad, owner of a group of strange animals, trains his beasts to obey him, unleashing them on anyone who stands in his way. His wife and mute assistant begin to suspect that they too are becoming part of the black zoo.

Doctor Gatling invented a war machine to beat all arrows, and guns.

A struggling writer becomes the prime suspect in a murder investigation when his publisher is found dead in a manner mirroring one of the writer's proposed mystery storylines.

Tarzan is joined by a reporter and her fiance on a journey to find a boy who was abandoned in the jungle six years earlier. The search party must also battle an evil native, who is out to kill the boy and take over as chief of his brother's tribe.

The life and career of Heavyweight Champion Joe Louis, who held the title for 12 years--longer than any other boxer in history--and who had to not only battle opponents inside the ring and racism outside it.

Louisiana's governor asks war hero Francis C. Grevemberg to lead the state police against corruption.

In this western two wagon masters are wrongfully accused of driving their wagon train in to a Comanche raid and are sentenced to hang. Now they must work hard and fast to prove their innocence.

Two brothers from the North try to gain favor in the South after they inherit a horse farm in Kentucky.

Mexican club singer Lita Valdez is amazed to find that her younger brother Alberto is a talented boxer and is even more thrilled by his consistent success in the ring. Till he is forced to fight Jerry O'Leary, the man she loves. Caught between her devotion to both men, Lita tries her best to have the match canceled, but there is much more to the boxing racket than she had ever imagined...

Loggers Jeff Collins and Boomer Benson compete for a mail-order bride by means of a timber-cutting contest.