With camp security raised, Hogan and his men are desperate to smuggle some top-secret photos of German fortifications to the allies. The solution? Make liberal use of Carter's remarkable impersonation of Adolf Hitler.

An assertive General Burkhalter "requisitions" the famous Édouard Manet painting, "The Fife Player," from the Louvre museum in Paris to give to Hermann Goering as a birthday present. Undaunted by the seeming impossible logistics, Hogan and LeBeau decide to steal it back!

Two German officers have new and differing plans for Stalag 13, both of which threaten Hogan's operations.

In the first of a two-part story, "Tiger," a female underground agent, is arrested while trying to document some secret German bases and is held in Paris for questioning. So, Hogan and LeBeau become stowaways aboard Klink's staff car and head for Paris to free her.

While trying to free the underground agent "Tiger" in Paris, Hogan must seek help from a Parisian fortune teller, and also enlist the aid of a man who is a look-alike for Nazi Police Chief Heinrich Himmler.

Masquerading as German workers, Hogan and the crew have made elaborate and foolproof plans to blow a German cannon factory sky-high, but their plan backfires when Newkirk winds up being drafted into the German army!

All goes well when Hogan's gang steals Klink's code book from his safe, photographs the contents, and returns it to its proper place. But there's a small hitch: Carter forgot to load the camera with film!

When the gang's hidden cache of money (needed to purchase a secret map) goes up in smoke, the men of Stalag 13 must come up with a way to replace the cash, and decide to pull off a bank heist in the nearby town.

When an important Gestapo official wants to defect, Hogan brings him to Stalag 13, and convinces Colonel Klink that the fugitive is Adolf Hitler in disguise.

A German oil refinery is so heavily protected that allied bombers have been unable to destroy it. So, Colonel Hogan decides that the only way to fool the gunners is to use a German plane.

When the hapless Colonel Klink reluctantly joins two other German prison camp Kommandants in a plot to discredit General Burkhalter, all three men are subsequently arrested. Hogan and the gang must act quickly to keep their clueless Kommandant in charge of Stalag 13.

Hogan is stymied over how to rescue a captured member of the underground until a potential diversion, in the form of an old World War I buddy of Sergeant Schultz, arrives at Stalag 13.

Colonel Hogan is less than 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.

When a French flier is captured, the Nazis verbally malign the man's fiancée in an attempt to get him to reveal important information. Hogan must find a way to keep him from cracking under the manipulative interrogation.

Suspecting a security leak at Stalag 13, General Burkhalter goes fishing with some false information and Colonel Hogan falls for the bait. As a result, Burkhalter plants a spy among the prisoners to expose the guilty parties.

Hogan and his men are determined to create chaos during staged war games a ruthless Nazi colonel has scheduled near Stalag 13.

Klink becomes convinced that he is marked for assassination by a mysterious "Mr. X" after a series of close calls at the stalag.

Hogan manages to free four underground leaders from the Germans and smuggles the quartet into Stalag 13. But a plan to spirit the men off to freedom in England suddenly looks hopeless when a leaky pipe fills the gang's emergency tunnel with water!

When Newkirk discovers a new radio controlled tank that could win the war for Germany, the allies want Hogan and the men to photograph the tank and then destroy it, but complication ensue during their mission.

The aristocratic Colonel Klink fails a routine physical exam and lands a combat assignment at the Russian front! Fearing a hard-line replacement at Stalag 13, the men must do all they can to rescind Klink's marching orders.

After being double-crossed by a female lure, Hogan and his men are confronted by a Gestapo agent who knows all about their secret operation and demands "hush" money—in the form of a million dollars in diamonds!

Hogan is unexpectedly drawn into an assassination plot against Adolf Hitler when he is ordered to deliver a briefcase rigged with explosives to a German general involved in the plot.

Hogan nixes a mission to destroy a synthetic fuel plant because the caper is too risky, but he is overruled, and forced to participate in the scheme by the ploy's mastermind, a strong-willed, determined female scientist.

Captain Kurtz, General Burkhalter's annoying, ambitious brother-in-law, becomes the camp's tough new adjutant. What's worse he's keeping a watchful eye on every corner of Stalag 13, and ends up getting in the way of Hogan's plans to blow up an enemy munitions train.

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?