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 Whoa, I Remember: Arthurs 1st Grade (2002 New Edition): Part 2, Whoa, I Remember: Magic School Bus Lands on Mars: Part 3, Whoa, I Remember: The Magic School Bus Explores the Human Body: Part 1