Edited version of the 1939 Universal serial "Buck Rogers." A 20th Century pilot named Buck Rogers and his young friend Buddy Wade awake from 500 years in suspended animation to find that the world has been taken over by the outlaw army of Killer Kane.

A doctor's medical studies are threatened by his infatuation with a Chinese girl. The girl returns to China, but complications ensue when she runs into him in Nanking during a Japanese bombing raid.

Buck Rogers and Buddy Wade are in the middle of a trans-polar dirigible flight when they are caught in a blizzard and crash. Buddy then releases a special gas to keep them in suspended animation until a rescue party can arrive. However, an avalanche covers the craft and the two are in suspended animation for 500 years. When they are found, they awake to find out that the world has been taken over by the outlaw army of Killer Kane. Along with Lieutenant Wilma Deering, Buck and Buddy join in the fight to overthrow Kane and with the help of Prince Tallen of Saturn and his forces, they eventually do and Earth is free of Kane's grip.

A U.S. agent attempts to track down a spy ring working to destroy the Panama Canal.

In China, a singer and a journalist meet while traveling on a train attacked by bandits.

A 20th Century pilot named Buck Rogers and his young friend Buddy Wade awake from 500 years in suspended animation to find that the world has been taken over by the outlaw army of Killer Kane. Feature version of the film serial Buck Rogers by Universal Pictures, 1940.

A Chinese general's daughter tracks her father to a slave-labor tyrant's jungle empire.