videos in AudioSet
A list of about a million ten-second YouTube clips, each labelled with the sounds in it, that Google published in 2017. Labs use it to train and test general audio and music models.
Including Super Smash Bros. Brawl - Lucario vs. Ness vs. Link, Super Smash Bros. Brawl - Robot vs. Sonic vs. Trainer, Super Smash Bros. Brawl - Ness vs. Lucario