Chewtobacca said:

If you demux the left-eye stream and remux it with the audio, the result will fit on a BD-25. I assume that you want only the 2D version.

I do only want the 2D, and it would be fantastic if I didn't need to re-compress. Thanks for the info. I'll start trying to do what you say as soon as I can get the time. Will I need to worry about moved 3D objects (like at 1:29 in this comparison): spoilers, by the way in the video?

It looks very much like the Technicolor IB, as I guessed it would.

Indeed, if only there was also a pre-restoration laserdisc for Snow White; I'd be interested to see if those matched the original theatrical color timing of IB prints more. The Snow White BD looks similar to the Pinnochio BD to my eyes: not enough earthy colors and far too vibrant.

I wonder if it's possible to color correct the BD to match the LD.

Maybe, though it would be complicated if Disney tweaked individual elements on the BD (not sure if they did). Also, fyi, the '87 LD is far more cropped than the BD, so I don't think you could directly overlay the color (if that sort of process is possible). Fun fact though: the Pinnochio LD still has reel change markers. It's wonderful.