Bearcats!

Thieves steal an army tank and use it to start robbing banks along the Mexican border.

Hank and Johnny are assigned to investigate a series of raids against Mexican towns along the border. They come to suspect that German troops who are disguising themselves as American soldiers are committing these attacks in order to instigate a war between the US and Mexico.

A Mexican revolutionary is in the US raising funds for his efforts to overthrow the Mexican government. The Mexican army sends an officer to the US to kill him.

Hank and Johnny travel to a small town that has been taken over by a band of would-be revolutionaries.

Ex-convict Joe Bascom kidnaps a priest from the town that hanged his father, and demands that the citizens there hang one of their own in return for the priest's life.

A female newspaper reporter hires Johnny and Hank to rescue a priest and a group of Indians who are being held hostage at an archaeological dig by thieves who are looking for buried treasure.