YouTube Secrets

Rick Astley's "Never Gonna Give You Up" music video was uploaded before the uploader's channel creation date.

There is a channel that was "created" on September 16, 2004, almost a year before YouTube's creation date

At one point, Gangnam Style got so many views that it broke the view counter and it started going in the negatives.

The longest waiting livestream is "rtmp://a.rtmp.youtube.com/live2", waiting sice June 16, 2014.

Searching YouTube Premium on YouTube will come up with an ad for YouTube Premium, telling you to use it.

jawed (The channel that uploaded "Me at the zoo") actually had more videos, but have all since been deleted.

By searching "seinfeld without people" on YouTube, you will come across a video that doesn't have a title.

There is a YouTube video that has nothing on it, only the video.

At one point, this video had negative likes AND dislikes. However, people mass liked and disliked the video to make it no longer in the negatives.
An archive can be found here.