LeBeau's escape would deprive the camp of a chef.
Hogan saves a German radio expert whom the Nazis want to kill.
Hogan convinces Klink that the kommandant is a great painter so the prisoners can meet an Underground contact at an art gallery.
An English traitor, who could pass for Colonel Crittendon's twin brother, parachutes into camp with information for Hitler.
Hogan convinced that Crittendon can't fool Hitler, things get complicated when Chitterly escapes.
The Gestapo takes over Stalag 13, planning to send Klink and Schultz to the Russian Front.
Schultz lets his new power as camp kommandant go to his head.
Hogan finds that a new prisoner is a German spy right after he tells the man all about their secret operations.
Klink gives the prisoners a recorder so they can send messages home which Hogan plans on using to tape a top secret SS meeting.
A dynamite truck, which Hogan plans on hijacking, deviates from its planned route.
Hogan and his men try to rescue a underground leader on route to Berlin to be executed.
Hogan uses Klink's car radio to sneak a message to London when a pair of radio detection trucks enters the area.
In an effort to transport a German anti-radar unit to London, Hogan passes LeBeau off as a fortune teller after convincing Klink he was struck by lightning.
Hogan helps three German scientists escape to England.
Hogan goes with Klink to England to steal an allied airplane as part of Hogan's plan to expose Nazi spies in London.
Hogan and his men pose as Nazi officers to get an American traitor to divulge the names of his German superiors.
Newkirk poses as a general's wife to get penicillin to an ill underground leader.
Klink is appointed defense counsel for a German officer on trial for treason who has secret plans intended for London. Hogan helps Klink prove the officer's innocence in order to secure the plans.
The guys find a new rocket that has landed near camp. They are at a loss on how to get it back to England for study when Marya and her rocket-designing husband enter camp.
Hogan must get a U.S. general out of camp, Klink's plans to move the fence line, and Gertrude's arrival with her fiancé (that she would make Stalag 13's adjutant.)
Hogan and his men start an avalanche to stop a Panzer division.
Hogan becomes the partner of a beautiful underground agent when he and his men team up with the underground to destroy a guided missile battery.