Once Upon a Honeymoon (1956)
features music from...
Clip shown when talking about homes of the past only having one phone.
short clips used in montage
The performers add new dialog to the film during "Film Dub".
'Once Upon a Honeymoon' is the featured short in this 'MST3K' episode.
During the end credits, among the clips showing different 1950's "happy household" propoganda is a clip from this short.