Billion Dollar Limited

Millions in gold is traveling by train to the US treasury. Traveling along is Lois Lane to report on it. Along the way the train is attacked by masked thieves. They detach the car with the armed guards in it and attack the remaining ones. This leads to a vicious fight between the remaining guards and the thieves. The thieves overpower them but then Lois Lane jumps in. She beats the thieves off the train (at one point using a gun) but the train starts to careen out of control. Lois can't stop it and the thieves will stop at nothing to get the gold. Good thing Superman is on the way!

Fast, exciting, non-stop action. Probably one of the best of all the cartoons. Just great.