I would venture to say that the best screwball comedy of all time would be the film, What’s Up, Doc? with Barbra Streisand and Ryan O’Neal, directed by Peter Bogdanovich.
Don’t believe me? Here’s some behind the scenes:
Behind the Scenes Stunts for Whats Up Doc Movie
Behind the Scenes and Stuntwork for the Movie What's Up, Doc? with Ryan O'Neal and Barbra Streisand and directed by Peter Bogdanovich
Posted by Best Movie Stunts on Monday, July 9, 2018
And the following trailer has some great behind the scenes footage:
Whats Up Doc Movie Trailer Peter Bogdanovich Barbra Streisand Ryan O'Neal
What's Up, Doc? Movie Trailer Barbra Streisand Ryan O'Neal Peter Bogdanovich
Posted by Unofficial: Movie Trailers on Monday, July 9, 2018