In one scene Harry paints a German guard's face with white paint, much like Chaplin's character did in The Great Dictator
Movie poster at the theater
When Dorothy asks where she's been, Sophia replies "What is this, Stalag 17?"
Crow: "It's 'Stalag 90210.'"
Movie used in the title
Lorelai mentions the title
Theatre marquee, New York, just after meeting Della.
someone uses the cigarette/matchbook trick to murder a Navy commander.
Escapees in both films are called Manfredi and Johnson.
mentioned by movie expert in police station
The frustrated police refer to the barracks at "Stalag 17."
The central plot about prisoners of war plotting to escape from a Nazi concentration camp was inspired by this film
on movie marquee
Skipper refers to two killed associates as Manfredi and Johnson, the names of the two POWs killed when trying to escape in the beginning of "Stalag 17"
Junior gets sent to Stalag 18, and the POWs working on an escape tunnel want him because they know he couldn't possibly be a German plant
a summer camp movie the Snob prefers
Clips are shown.
excerpt of film used in documentary on director
This documentary discusses Stalag 17 (1953).
A scene from the film is being played on the TV in the hotel room
How to Escape Prison segment
Admiral Benson's quote about his pant material is a spoof of the German commandant in "Stalag 17"
The escape from the fizzies is same as the water tower escape in the earlier film.