Let’s return to the glory days of DVD, with supplementary material and commentary tracks, two features that were carryovers from LaserDisc. A truly inspired and hilarious example came with the DVD of The Incredibles. It features a recreation of the Synchro-Vox system that’s explained here.
https://cartoonresearch.com/index.php/in-the-center-ring-part-16/
“The Adventures of Mr. Incredible” without commentary.
With commentary.