While on a sabotage caper, Hogan and Carter encounter a German general, overpower him, and smuggle him back to Stalag 13. Once there, they come up with a ploy to trick the disoriented general into revealing his troop's attack plans.

Colonel Hogan is less the thrilled when he is assigned to help an obnoxious American general flee Stalag 13 --- and the secret escape plan, involving a prisoner swap, winds up as trying and difficult as the arrogant escapee himself.

The bumbling Sergent Schultz has unwittingly been conned into making a trip to Heidelberg as courier for the underground, but after upsetting Colonel Klink, the sergeant is ordered to remain grounded at the camp. How will Hogan and the gang win him a new weekend pass?

Hogan must somehow get himself hospitalized so that he can get top-secret information from a wounded British agent who has been posing as a Nazi officer.

A new weapon is about to be tested and Hogan schemes to get the blueprints to foil its detonation.

Hogan throws an anniversary party for Klink, planning to use party balloons to forecast the weather.

To transport secret documents, Hogan sets up Klink with a female agent --- but when the wrong documents fall into Klink's hands, Schultz becomes the delivery boy.

Hogan gets Klink to believe he is about to bust a POW escape ring.

When Klink gives the heroes a tape recorder so they can send messages back home, Hogan has bigger plans for the device.

The heroes pose a Nazi officers to root out a German spy posing as an American pilot.