Hogan's surreptitious operation --- as well as secret information on America's atom bomb project --- is threatened when it's discovers that a top Gestapo official knows all about Hogan's espionage activities and plans to offer him a deal.

After a first attempt to sneak four underground leaders out of the German camp fails, Hogan and his men come up with a new plan: Convince the camp commanders, via radio broadcasts and newspaper headlines, that the war is over!

LeBeau's weekly visits to an underground contact --- one he describes as a "mean little old lady" --- are revealed as something more after Hogan and the men discover that the "lady" is actually a beautiful young Dutch woman with whom LeBeau has fallen in love.

An arrogant German general arrives at Stalag 13 and orders Colonel Klink to guard a truckload of ammunition. But when Hogan discovers that the "ammo" is actually a collection of valuable pieces of art stolen from France, he masterminds a little theft of his own.

When Sergeant Carter constructs an amazingly complicated rabbit trap, a suspicious Colonel Klink comes to believe that the contraption is a secret electronic spying device.

Colonel Hogan innocently sends Corporal Newkirk off on a mission to rendezvous with an ally --- unaware that the meeting is a trap set up by the Gestapo.

Is love blind? Three beautiful German girls arrive at Stalag 13 and set the men's hearts beating faster --- but their mission is designed to pry secrets out of the love-struck POWs.

A canine caper is off and running when a dog buries a bone containing photographic images of a new German tank that Carter had taken with his camera.

Hogan and his men plan to eliminate an allied defector, but complications ensue when their target turns out to be a beautiful woman.

A German general is the mastermind behind a plan designed to prolong the war, so Hogan winds up working with the general's daughter in an effort to photograph the strategic documents.

When Colonel Klink uses a beautiful baroness to try to wheedle secrets out of Colonel Hogan, he apparently falls under the femme fatale's charms. Or does he?

Hogan's plan to sneak out of Stalag 13 and blow up a German train hinges on getting General Burkhalter's lovelorn sister --- the marriage-minded Gertrude --- to distract Colonel Klink.

The French underground is in desperate need of valuable radios, so Hogan decides to utilize Colonel Klink's former girlfriend to ensure the delivery of the equipment.

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.

Hogan steals the Luftwaffe codebook, but can't use it after Newkirk accidentally drops it down a well.

When the Gestapo blackmails Klink, Hogan plans to steal the incriminating photo.

Hogan convinces Klink to open a business selling "rare" cuckoo clocks, which Hogan plans to use for smuggling information.

Hogan prods Sergeant Schultz to reveal the site of a secret atomic installation that Schultz has been assigned to guard.

Schultz is headed for the Russian front because Burkhalter caught him goofing off.

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

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

To get ahold of secret papers, Hogan enlists a beautiful Russian spy to convince Klink he's needed at the Russian front.

General Burkhalter's sister Gertrude thinks her dim-witted fiance should be made Klink's assistant, which interferes with Hogan's plan to aid an American general.

When Gestapo agents accuse Hogan of sabotage, he explains that his exact double, a German traitor, is the real culprit.