Burgess Meredith

US Periscope Blu-ray OOP https://www.blu-ray.com/movies/Why-We-Fight-Blu-ray/87823/
Otherwise there are DVDs

Original Mono: Ultimate Knockout Collection/Knockout Collection replacement disc > Knockout collection original.

The Mono mix on the initial release of the Knockout Collection is a stereo fold-down of the 5.1, it also has a missing piano cue. The replacement disc and the ultimate knockout version fixed the error. 

The Steelbook and UK standard edition is the same disc as the 2023 knockout collection.

Original Knockout Collection release had its 5.1 mix pitched too low, replacement disc and Ultimate Knockout Collection fixed the error. 

The Steelbook and UK standard edition are the same disc as the 2023 knockout collection.

UK Second Sight Blu-ray maybe better than all the other Blu-rays?

Australia Imprint 4K Blu-ray is disappointing with DNR and poor compression

US Twilight Time and Germany NSM Blu-rays have exclusive extras

All foreign language tracks were pitched too low, replacement disc and Ultimate Knockout Collection disc fixed the error. 

The Steelbook and UK standard edition are the same disc as the 2023 knockout collection. 

4K master from UCLA Film & Television Archive's 35mm photochemical restoration