"Niagara Falls" (1941) A Hal Roach Comedy

Margie Blake, who wants to get married young and have two dozen kids, has a flat tire and traveling salesman Tom Wilson, who believes in "loving 'em and leaving 'em" stops to help.

They soon discover they are polar opposites and dislike each other very much. Oklahoma oilman Sam Sawyer and his new bride Emmy, on their way to honeymoon in Niagara Falls, come along and offer help and Sam gets the idea that Margie and Tom are married and having a lover's spat.

Director: Gordon Douglas
Writers: Paul Gerard Smith (original screenplay), Hal Yates (original screenplay)
Stars: Marjorie Woodworth, Tom Brown, Zasu Pitts

https://www.imdb.com/title/tt0033949/?ref_=fn_al_tt_1