There’s not a lot of Nintendo related lost media out there, but there’s some things that are just completely gone or inaccessible.
For example, people have been looking hard for the [Slamfest ’99](https://lostmediawiki.com/Super_Smash_Bros._Slamfest_%2799_(lost_livestream_of_promotional_event_for_Nintendo_64_crossover_fighting_game;_1999\)) livestream footage, and Dr. Mario World for mobile is completely unplayable now.
What’s a piece of lost media you’re interested in finding? Why?