When a British submarine cannot make a planned rendezvous to pick up a POW carrying an prototype of an important new German weapon, Hogan must come up with a sturdy, seaworthy replacement.

Hogan and his men make plans to lure Luftwaffe bombers within range of an allied anti-aircraft installation hidden in an abandoned warehouse, but Carter makes a shamble of the plan when, while "leaking" the info to Klink, he forgets the name of the town where the strategic warehouse is located.

Hogan must somehow deliver a shipment of bulletproof vests to the French underground.

Stalag 13 becomes the site for a German counterfeiting factory that will produce both American and British currencies. But Sergeant Schultz's sticky fingers inadvertently tip Hogan off to the scheme when Schultzy spends some of the "funny money" gambling with the prisoners.

Paris is targeted for destruction should the Allied armies invade, so Hogan and Kinchloe secretly travel to the French capital to learn more about the plot.

Hogan and his men face the difficult task of returning a Soviet pilot to his homeland. The task is made more difficult by the fanatical, demanding Russian refusing to follow the usual escape route to England.

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.

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

Hogan and his men plan to demolish a gasoline station that's just been built in camp.

To smuggle out an anti-radar device, Hogan passes LeBeau off as a fortune-teller after convincing Klink he's been struck by lightning.

LeBeau aids in the escape of a captured French scientist and his daughter, who are able to make it out of Germany. But now the men of Stalag 13 must find a suitable "replacement" scientist who can present and discuss the study's findings.

A secret military document is mistakenly hidden in Colonel Klink's topcoat at a party, and a desperate Hogan must nab the document because of both its value to the allies, and because Klink will be charged with treason and replaced at Stalag 13 if it is discovered in his possession.

When Hogan and his men set out to destroy the Germans' new S-5 gun that's being guarded at Stalag 13, they uncover more then they bargained for—a traitor amongst their ranks who has gone to Colonel Klink to report on Hogan's planned sabotage.

Has Colonel Hogan finally snapped under the pressure of confinement? The men think so when Hogan suggests that, to rescue a captured British agent, the men of Stalag 13 take up basket weaving, tent making and kite flying!

A German truck carrying an experimental jet fuel is the latest target for Hogan and the gang. But when all efforts to sabotage the shipment fail, Carter decides to get down to business with the remaining weaponry at hand—a bow and arrow!

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.

To transmit information home, Colonel Hogan plans to cast an American actor to star in a German propaganda film.

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.

Part 1 of 2. When Sir Charles Chitterly parachutes into Stalag 13, Hogan asks Colonel Crittendon to pretend he's Sir Charles --- but Lady Chitterly isn't fooled.

Part 2 of 2. Hogan fears the phony Sir Charles can't trick Hitler. Things get even more complicated when Chitterly escapes from the prisoner's tunnel.

When Colonel Klink boasts that the Nazis' new Tiger Tank will lead the Germans to victory, Colonel Hogan devises a plan to get his hands on one of the vehicles, have it disassembled, send its blueprints to the Allies, and reassemble it --- right under Klink's nose.

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.

The Germans' plan to build a synthetic fuel plant at Stalag 13 would spell disaster for Hogan's men and their important strategic subterfuge. So, Hogan attempts to convince Klink that there's a massive oil supply under the camp.

An agreement to aid two escapees quickly goes awry when 20 men show up at the appointed hour. Where will Hogan and his gang find uniforms and papers for the men? And how will they get them out of Stalag 13, with German guards stationed near the end of the secret escape tunnel?

After a startling, deadly new German weapon (a secret, noiseless aircraft) has been brought to Stalag 13 for testing, Hogan's gang must do their best to tarnish its image.