The exploits of five World War II prisoners in a German POW camp, 'Stalag 13' who, while "under the cover" of being typical prisoners of war, are really secretly doing their utmost to sabotage the German war effort through whatever means necessary. Col. Klink is very proud that no prisoner has ever escaped under his watch, not that they would want to. Suave, cool and smart, Col. Hogan takes advantage of Col. Klink and Sgt. Schultz's bravado and general cluelessness to carry out his missions.
To transmit information home, Colonel Hogan plans to cast an American actor to star in a German propaganda film.
Hogan steals the Luftwaffe codebook, but can't use it after Newkirk accidentally drops it down a well.
In order to steal key documents, Hogan and his men volunteer for a German suicide-squad train bound for the Russian front.
Hogan and his men plan to demolish a gasoline station that's just been built in camp.
Hogan kidnaps General Burkhalter's sister, with the intention of exchanging her for a captured Allied agent.
Colonel Klink is set up for execution after the gestapo finds him with underground information --- planted on him by Hogan.
A new weapon is about to be tested and Hogan schemes to get the blueprints to foil its detonation.
When the Gestapo blackmails Klink, Hogan plans to steal the incriminating photo.
Hogan plots to keep a secret device, hidden on board a downed plane, from the Germans.
A defecting Field Marshal tailed by Major Hochstetter to Stalag 13 needs Hogan's help to get to England.
By planting an opened parachute in camp, Hogan tricks the Germans into looking for an Allied agent --- so he can find the missing briefcase that was handcuffed to a courier.
Hogan convinces Klink to open a business selling "rare" cuckoo clocks, which Hogan plans to use for smuggling information.
Hogan plans to filter information into London through the wires of a German propaganda radio broadcast.
Hogan prods Sergeant Schultz to reveal the site of a secret atomic installation that Schultz has been assigned to guard.
Hogan throws an anniversary party for Klink, planning to use party balloons to forecast the weather.
Hogan convinces Klink to get back in shape so he won't be shipped to the Russian front.
Things heat up as Hogan schemes to return a load of stolen paintings to London, just as Marya convinces Schultz to impersonate Reich Marshal Goering.
"Kinch" agrees to fight a German boxing champ to divert attention from a heist that Hogan is planning.
By having LeBeau design her gown, Hogan plans to use the wedding of Burkhalter's niece as a smokescreen to smuggle a defector out of Germany.
When he's captured in German uniform, Carter convinces the Germans that he is one of them.
Hogan tries to save Klink from the officer who wants to turn him in for his lousy bookkeeping skills.
With the help of a singer, Hogan schemes to prevent the Gestapo from arresting all the local Allied agents.
Schultz is headed for the Russian front because Burkhalter caught him goofing off.
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.
On a mission to capture Rommel, Colonel Crittendon and his commandos parachute into camp, but the Colonel is the only one to avoid capture.