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 Brave Frontier: Part 31: Frontier Hunter Part 3 of 3, Brave Frontier: Episode 193: Demon Mare, Brave Frontier: Episode 52: Search for the Dark Totem Part 2